A 150 grain bullet shot from a .280 AI generates a muzzle velocity similar to the .270 Winchester firing a 130 grain bullet. Shellholders: Hornady #1. Peak trajectory would be 4.96-inches above point-of-aim at 175 yards. Then take a look at our Beginners Guide to Reloading Ammo. Such projectiles drop less and drift less in the wind, even though they do start out a bit slower than light-for-caliber bullets. From $ 84.99. Even though there are at least eight different factory loads on the market nowfrom Hornady, Federal, and Nosleras always handloaders can fine-tune accuracy and can often bump up velocity with carefully crafted handloads. The .280 AI was developed by modifying the case from the .280 Remington. Several manufacturers make bolt-action rifles chambered in .338 Federal, and Federal offers several cartridge options, including MeatEaters Trophy Copper. The smaller diameter of the 280 Rem. Brand: Savage. Parker Otto Ackley, better known as P.O. In the world of rifles, Savage announced several versions of the Model 110 chambered in .280 AI. Additionally, those smaller diameter .284 bullets used by the 7mm Rem Mag have a higher ballistic coefficient and more sectional density than .30 caliber bullets of the same weight used by the .30-06 Springfield. Access the newest seasons of MeatEater, save content, and join in discussions with the Crew and others in the MeatEater community. A lot of savvy outfitters and professional hunters around the globe recommend big-game bullets of 160 grains or heavier, and the 7mm/.284 bore diameter meets that handily without greatly exceeding it. On a related note, 7mm bullets offer a bigger, more effective frontal diameter than smaller 6.5mm and 0.277 bullets. Ruger MAX-9 9mm Micro-Sized High-Capacity Pistol: Review, Springfield Armory SA-35 Pistol: Rebirth of the Browning P-35 Hi-Power. If barrel length and chamber pressure are equal, the .280 Ackley Improved is about 100 fps faster with all bullet weights than the standard .280 Remington. Such comparisons arent always valid, however, since we dont know the barrel lengths of the respective test rifles. MeatEater version in their Trophy Copper line. Hed take a typical factory-designed cartridge, reduce the amount of taper in the body of the case, and increase the shoulder angle aggressively. Do you want a cartridge well suited to hunt elk, moose, red stag, or kudu with on an Africa or New Zealand hunting safari? Mag. The actual performance difference between Ackley Improved cartridges and their parents varies, with some realizing a much bigger jump in velocity than others. The relatively new .280 AI is nowhere near as common as the 270 or 7mm Rem Mag. Lets say you want to shoot a bigger bullet than 140-grain, though. Calling and shooting predators is one of the things that helps hunters get from the end of the fall seasons to when the turkeys start gobbling. I loved my .280 Rem., though I didnt have much confidence with it beyond 350 yards. The unique roots of the 7mm Remington Magnum and the shared heritage of the .270 Winchester, .280 Remington, and the .280 Ackley Improved are all obvious in the photo below. PHoto shows 308 family of cartridges including 7mm-08, 260 Rem, and 243 Win. In the U.S. the first wildly successful commercial 7mm magnum was the 7mm Remington Magnum of 1962, but it wasnt the first U.S. 7mm. Rounds like the 25-06 Rem., 7 mm-08, and 338-06 all started out as non-standard cartridges before they were legitimized and chambered by the industrys major players. If you are a handloader though, the choice is a no-brainer. Nyati was supposed to go down. Mag.? 150 gr. They eventually chose the bolt action 1903 Springfield rifle chambered in the new .30-06 Springfield cartridge. Ackley after he added a 40-degree shoulder to Fred Huntington's .280 RCBS Improved. Being a heavier projectile of the .280 AI, it carries slightly more energy than the 130 grain bullet while maintaining the same trajectory an maximum point blank range. MidwayUSA offers the Nosler M21, but youll find that there truly isnt as large of an offering available in rifles chambered in .280 Ackley Improved as youll find in other common calibers. Even then, there are still some distinct advantages that the .280 Ackley Improved can offer you. The Lyman 50th Edition (p197-198, 212-216), Speer Number 10 (p182-184, 193-196, 201-204), andHornady 10th Edition(p351-355, 391-400, 406-411)reloading manualswere used as references for the history of the cartridges. I used the Hornady Ballistic calculator and ShootersCalculator.com to compare trajectory, wind drift, and recoil for the cartridges. Can the .280 AI really live up to the claim made by some that it can do everything the 7mm Mag can do, but with less recoil? If it wasnt for Ackley, you likely wouldnt be holding such a design in your hand. Copyright 2023 National Rifle Association, Women On Target Instructional Shooting Clinics, Volunteer At The Great American Outdoor Show, Marion P. Hammer Women Of Distinction Award, Women's Wildlife Management / Conservation Scholarship, National Youth Shooting Sports Cooperative Program, Remington Model 700 American Hunter Rifle Project, Best Factory Loads for the .280 Ackley Improved. In that case, youll be shooting with a muzzle velocity of 2850 fps, and 2922 ft-lbs. helps improve accuracy by providing an efficient propellant chamber and a precise chamber-to-case fit. . That reason was heavier bullets. However, the fact that its still hanging around even after experiencing a bunch of marketing fumbles from corporate management is a testament to the inherent strengths of the .280 Remington. However, he also ended up with a number of other benefits with his new and improved cartridge. and the .280 Ackley Improved is the steeper 40 degree, which lengthens the case body and allows for about 5 percent more powder capacity. Lighter and tougher and more precise than ever, it's the perfect back country hunting rifle. Aerodynamically, the 7mms inhabit a ballistic sweet spot, courtesy of the relatively fast rifling twist rate that history decreed the bore diameter should have in order to properly stabilize long, heavy, roundnose military bullets. Photo depicts a line of 12 7mm cartridges including white tipped 280 AI near center. That being said, all four cartridges are generally good options for reloaders. And to top it all off, while a few older cartridges like the .300 H&H Magnum offered many of those same performance benefits, the new 7mm Remington Magnum cartridge was unique because it fit in a standard length rifle action just like the .30-06 and similar cartridges like the .270, .280, etc. There is nothing quite like seeing a big mule deer buck skylined on a distant ridge. Wind deflection at 400 yards would be about 8.5 inches. Just for reference, the .280 AI will shoot a light 140-grain bullet about 300 fps faster than the .270 Winchester can. I used Noslers own reloading data published online (available here, here, here, and here). Reader K. Akins recently wrote to ask which cartridge I thought would benefit the most from conversion to Ackley Improved:the 260 Remington, 270 Winchester, or 7mm-08 Remington. That being said, the .280 AI is clearly a little closer in performance to the 7mm Rem Mag than it is to the .280 Remington. However, the management at Remington gave the .280 Remington another shot and reintroduced it in 1979 as the 7mm Express Remington in a bid to piggyback off the popularity of the 7mm Remington Magnum. Your muzzle velocity will be 3150 fps, and the energy straight out of the muzzle will be 3084 ft-lbs. Since they can hold more powder, Ackley Improved cartridges are capable of higher velocities than their parent cartridge when loaded with the same weight bullet. Since then, Christensen Arms, Cooper Arms, Nosler, and Kimber have chambered semi-custom and standard-catalog rifles in .280 AI. Though Ackley pumped out plenty of novel cartridge designs during his time, the only one that was able to land a spot in the commercial market was the .280 Ackley Improved. Learn more here: http://bit.ly/1G7xXag. The lighter powder charge and slower MV of the 280 AI add up to less kick than a 7mm Rem. The .280 Ackley Improved offers a modest ballistic improvement over the .280 Remington in terms of trajectory, wind resistance, and retained energy. [3], Loaded with a 150 grain bullet, the .280 AI shot from a 24" barrel gives a muzzle velocity of approximately 3,060 fps, which is about 100 fps faster than a .280 Remington loaded with a bullet of similar weight. Bottles & 12-oz. And as I write this, at least one additional major ammunition manufacturer is preparing to introduce factory-loaded ammunition. Ideally, something in the 1:8 range. Barrel length is another thing you should keep in mind. And well it should be as its performance puts it between the .280 Remington on the slower side and the faster 7mm Remington Magnum. Ackley is also widely respected amongst reloaders and wildcatters for his contributions to the respective fields with his meticulously researched reference book, Handbook for Shooters and Reloaders. The .270 Winchester has by far the least recoil of the bunch. Theres only one question: What are you waiting for? This comes at the expense of more recoil though. This means I will earn a small commission (at no extra cost to you) if you make a purchase. Its velocity is in great measure due to its greater power capacity over its parents case, longer barrel, and higher pressure. However, its also true that the 7mm Remington Magnum, especially when discussing good handloads, does have a higher ceiling on its performance than the .280 Ackley Improved. Walk into your local gun store, and youll see what I mean. Handloaders will find this cartridge to be pretty forgiving and simple to load. ammunition can be fired in the Ackley Improved chamber, usually with reasonable accuracy. For those reasons, most 7mm Remington Magnum loads have more energy remaining downrange, a flatter trajectory, and (all other things being equal) will penetrate better than .30-06 Springfield loads using the same weight bullets. Drive Nosler's 150-grain AccuBond Long Range bullet 3,050 fps in a 10 mph wind, zero it for maximum-point-blank-range (10-inch target,) and with a dead-center aim your bullets should stay within that target out to 376 yards. Joseph Von Benedikt is with Jorge Spat to learn all about it. Why did the .280 Remington struggle to initially gain traction in the commercial shooting and hunting market? Also developed by necking down a .30-06 case, the .280 Remington offered hunters a slight ballistic edge over the .270 Winchester and also utilized the more popular .284 bullets. Are there other pros or cons of the .280 Ackley Improved that we didnt cover within this article? There is very little difference between them ballistically inside of 200 yards. So, does that mean the claim that the .280 Ackley Improved can do everything the 7mm Remington Magnum can do, but with less recoil is true? I zero it at 300 yards, and it drops just 8 inches at 400 yards. For whatever reason, the Ackley landed in a sweet spot for me. Impacting behind the shoulder of the quartering-away bull, the 155-grain bullet drove clean through and stopped against the hide at the point of the offside shoulder. Read the articles below if youd like to learn more details about some of the various hunting ammunition choices for the 270 Winchester or 7mm Remington Magnum. Interestingly enough, Nosler also publishes a .280 Ackley Improved load with a 140gr bullet at 3,222fps that slightly exceeds the velocity of that particular 7mm Rem Mag load above. 1 Hornady Lock-N-Load Straight OAL Gauge $ 36.99. Mag. This sharper shoulder can also increase case life, which is a good thing for the handloader. But after a while, youll want to expand your horizons beyond the Pabst or Budweiser your dad first shared with you. The Mossberg 500 Pump Action Shotgun is one of the most popular home defense shotguns on the market. It has more puissance than the 6.5 Creedmoor or .270 Win., and in practical terms, it matches the 7mm Rem. The 280 AI is quietly but steadily gaining converts. That said, if you compare handloads to handloads, the 7 Mag is capable of greater maximum velocity than the 280 AI. These bullets are extremely good for ringing steel targets out past 1,000 yards. This is one of the most interesting points of comparison between the 7mm Rem Mag and .280 AI though. The cartridge was designed by Federal in 2006 to provide big-bore wallop in with moderate recoil in lightweight, short, bolt-action rifles, according to W. Todd Woodards excellent book, Cartridges of the World. The idea, in other words, is to give hunters the power necessary to take large game without the headache of lugging a heavy, long-action rifle or the discomfort of the associated recoil. Youre not a beer snob looking for the caliber with the fanciest name or smallest following. With equal barrel lengths, the Ackley Improved version gets you about 100 additional fps of velocity with a 140-grain bullet and a 24-inch barrel. You can find rifles of all varieties chambered in .300 Blackout. Bullet Weight: ALL. This rifle jams a bullet into the lands at a coal of3.250 tight enough that it will pull bullets every time. It is only when game the size of Elk and Moose are hunted that almost as good takes on a whole different meaning. The .270 Winchester uses .277 bullets while the .280 Remington, .280 Ackley Improved, and 7mm Remington Magnum all use slightly larger .284 bullets. Youll see similar results when comparing the .280 Ackley Improved with a .270, as the AI will shoot somewhere around 300 fps faster than the .270. The .280 AI can push a 120g round about 3,200 fps (about as fast as a typical 55g .223 Rem.) 130 gr. Weatherby chambers many of their rifles in the .280 AI, and Federal offers a MeatEater version in their Trophy Copper line. Mag. 280 AI was standardized by Nosler in 2008 and, SAAMI approved, is now being sold as factory loaded ammunition. Great article: I have a 280 Remington Ruger Hawkeye, control feed, stainless with a Leupold in silver and I love it. If you have a rifling twist thats fast enough, the .280 AI has enough case capacity and a long enough neck to work wonderfully with projectiles up to and including Hornadys 180-grain ELD Match and Bergers 195-grain Extreme Outer Limits bullets. 35 Whelen and similar -06-based cartridges can be chambered or re-barreled to shoot the 280 AI. As sometimes happens in the world of rifle cartridges, the 280 AI (Ackley Improved) is becoming more popular than its parent, the excellent 280 Remington. The first 3-shots I fired through it (150-grain Barnes X pushed to 3,040 fps by 58 grains of Reloader 19 if memory serves, but dont trust this data and always work up your own loads carefully) nestled a 5/16th-inch circle. With regards to bullet weight, the majority of .270 Winchester factory loads shoot bullets in the 120-150 grain range. This is an area where the .280 AI really shines because it has a similar or slightly superior trajectory and resistance to wind drift when compared to the 7mm Remington Magnum, but lessrecoil in a lightweight mountain rifle thats easy to carry in rough country. Just why did the .280 Ackley Improved stick? For the heavier bullets from 160 to 180 grains, H4831SC, Reloder 23, H1000, and IMR 7828 SSC are excellent. Well, maybe not when you consider its ballistic performance plus a few gun-fit, gun-handling, and handloading issues. The chart below compares how much a 10 mile per hour crosswind impacts those same .270 Winchester, .280 Remington, .280 AI, and 7mm Remington Magnum loads out to 500 yards. Though dimensionally identical to (and thus completely interchangeable with) the original .280 Remington, Remington claimed the new 7mm Express loads had a tiny velocity advantage over the original .280 Remington factory loads when using the same weight bullet. 140 gr. Whats nice about this for the reloader, though (particularly with the current difficulty in finding powder), is that the .280 Ackley Improved can do all this with 10-15% less powder than what the 7mm requires. When you push past this performance level with a 7 mm cartridge, you do so with diminishing returns as far as velocity goes. Some were reluctant to adopt the cartridge, but many American hunters eventually came to appreciate the flat shooting characteristics of the round as well as the fact that it was so effective on thin skinned game. They eventually got around to offering it in their legendary Model 700 bolt-action, but dropped it after a couple of years before finally reintroducing it in the Model 700 in 1979. Are you sensitive to recoil? Had it been available in .280Rem I would have got that instead but it wasnt/isnt. While on the subject of velocity, allow me to point out that the .280 AI really deserves a 24-inch barrel. Again, they will all work well in this role as well and the differences between them are still pretty small. My original .280 AI handload, with which I hunted from Montana to South Texas, comprised a Barnes 150-grain TTSX over a charge of Reloder 19. I hit the Cape buffalo squarely in the chest with a .375 Holland & Holland, a cartridge the size of a banana. Heres why: 280 AI shoots 50 fps to 100 fps faster than the 280 Remington with the same bullets in the same standard-length actions. Im not aware of any rifles that are currently manufactured in all four cartridges, so in the interest of making as close to an apples to apples comparison as possible, I just decided to make the comparison with a hypothetical rifle that weighs exactly the same for each cartridge. In fact, those two cartridges are likely among the Top 10 best selling rifle cartridges in the United States each year. Walther's new Performance Duty Pistol is ready for both concealed carry and conventional service situations. I have a custom .280 Remington. Improved Military Rifle IMR 4007 SSC. Thanks to Jack OConnor, the .270 Winchester is considered a classic sheep hunting cartridge if there ever was one. For the vast majority of hunters, there is very little difference in their performance at typical hunting ranges (inside 300 yds). Several propellants work wonderfully in the .280 AI. Nosler brass has always been my go-to, because its invariably near-perfect and comes weight-sorted and prepped for accuracy, meaning trimmed to length, chamfered, and deburred, and with flash holes uniformed. Plus, Petersen Cartridge offered premium .280 AI cartridge cases. Then, in 2019, Hornady introduced a 162-grain ELD-X bullet loaded in the .280 AI, adding it to the excellent Precision Hunter line of ammunition. The .280 Remington is currently manufactured by Browning, Remington, and Winchester in their X-Bolt, Model 700, and Model 70 rifles. Finally, the .280 Ackley Improved is rocketing to western-hunting stardom. Considering that the 7RemMag came from the same .458, .338, and .264 Magnum (belted) case, when loaded to the same pressure levels and housed in a rifle of 26, it will exceed any max velocity possible with the .280AI by at least 150fps (hand loaders have proven this fact for decades). However, even though the cartridge closely approaches the overall performance of the 7mm Remington Magnum, the .280 AI still has somewhat less recoil since it requires less powder to achieve a similar level of performance. Mag., it was based on a shortened 300 H&H case. It is true that certain factory loads and handloads for the .280 AI can come very close and even exceed the performance of typical 7mm Remington Magnum factory loads. What's the Perfect Trigger Pull Weight for a Hunting Rifle? In a pinch (read lost luggage), .280 Rem. If youre interested in doing so, its also possible for a skilled gunsmith to convert a rifle in .280 Remington over to the .280 Ackley Improved chambering with a chamber reamer. .280 Ackley Improved However, that comes at the expense of a little more recoil than the .270 Winchester. Winner: .280 Ackley Improved .280 AI Versatility vs. .300 Win. While all four are pretty commonly available, the .270 Winchester and the 7mm Remington Magnum are by far the most popular out of the bunch. Remington made an attempt at knocking the .270 Winchester off its perch when they rolled out the .280 Remington cartridge in 1957. All Shooting Times subscribers now have digital access to their magazine content. shooting Nosler 150 gr. Others insist it does. 7mm Rem. On the other hand, the .280 Remington is normally offered with 139 grain, 140 grain, or 150 grain bullets, but its possible to find a few loads with 156 grain, 160 grain, and 165 grain bullets as well. 145 gr. Mikey Hartman, Lt. Col. Shop 280 Ackley Improved Rifles The .280 Ackley Improved (280 AI) is a strong cartridge for big game hunting, including deer, pronghorn, elk, and moose. When you bump up to the magnum .30s, comparisons change. Data shown in the sixth edition of the Nosler . Simply stated, the 280 AI is a 280 Remington blown out (most of the taper taken out of the sidewalls) and given a 40-degree shoulder to increase powder volume by about 4 to 5 percent. Let us know in the comments below! With a completely different lineage than the other three cartridges, the 7mm Remington Magnum has a unique look as well. Roy Weatherbys proprietary 7mm Wby. The German 7x64mm Brenneke began taking game in 1917. Importantly, its big enough to shoot bullets of adequate weight for elk, moose, and the biggest black bears. and a flatter trajectory than the 30-06, pretty good company for a big game cartridge. Using a case length of 2.525 inches, the .280 Ackley Improved fits nice in a standard long-action receiver, and in spite of the steep shoulder, I have found the cartridge will feed well in most rifles. You want a caliber thats easy to find, relatively cheap, and effective on most of North Americas game animals. Ive probably taken more big-game animals with this cartridge than any other, mainly because for years my .280 AI was one of the few hunting rifles that I owned. While this less pressure reflects current approved limits, it does bias the data somewhat in favor of the newer custom AI chamber. Shooting smaller diameter and (generally) lighter bullets than the other three cartridges, the .270 Winchester has a very flat (though not the flattest) trajectory and the least recoil of the bunch, but also carries the least energy downrange and is the most vulnerable to wind drift. It adds only about 50-fps to 100-fps to 280 Remington speeds, yet falls short of 7mm Rem. Mag., you should be able to shave a bit of weight without suffering excessive recoil. 1 Single 284/7mm Caliber Projectile From $ 1.00. 120 gr. To set the stage for this cartridge description, you should know that it is but one of more than a dozen commercially loaded 7mm cartridges now on the market that fire .284-inch diameter (28-caliber) bullets. Its a legitimate, repeatable 0.40-MOA bullet in my Proof rifle, and even though velocity with that tuned handload is modest, at 2,870 fps, it has proven to be excellent on mule deer and elk. 280 AI Rifle Inc. in a backpack on a glacial moraine. Learn the difference between revolvers and semi-auto pistols and what makes them different. The .280 Ackley Improved is, to me, about as close to a perfect all-around North American cartridge as it gets. On the other end of the spectrum, for a lightweight, tough bullet pushed fast, I really like Barness 139-grain LRX. Regardless of the cartridge you choose, youll have a gigantic bullet selection consisting of virtually every major style of bullet to choose from like the Barnes TTSX, Berger VLD, the Hornady ELD-X, GMX, InterBond, InterLock, and SST, the Nosler AccuBond, AccuBond Long Range, Ballistic Tip, E-Tip, and Partition, the Remington Core Lokt, the Swift Scirocco and A-Frame, and the Winchester Power Point (just to name a few). of Israeli Defense Forces, joins David Fortier for an exclusive interview for Shotgun News. You can shoot factory 280 Remington loads in the 280 AI chamber to fire-form cases. Its also true that those .280 AI loads generally require a little less powder and thus produce less free recoil energy (all other things being the same). However, while those two rounds are very popular for a reason, they are far from the only high quality choices in that size range. Since its inception in the late 1950s, the cartridge has continued to pick up steam among big-game hunters, especially those looking to extend their maximum effective range on medium- to large-bodied . Mag. Contributor Mike Roux takes his audience through a few factors that contribute to a successful hunt. .338 Federal Isnt the 280 AI slicing this ballistic pie a bit thin? Ackley Improved 40 degrees, this cartridge was standardized by Nosler and accepted by SAAMI in 2008. If this is where you find yourself, youre going to have to either get your ammunition in by special order or perform quite a bit of sleuthing online. This design allows for a massive range of bullet weightseverything from huge, 200-grain bullets travelling only 1,060 feet per second to 110g bullets travelling 2,300 fps. This plays a significant role in its rising popularity, as well see. Interestingly, the 130 grain .270 load has an almost identical trajectory to the .280 Remington 140 grain Accubond load. The cartridge is most popular in the tacticool world, and its frequently chambered in ARs, especially short-barreled rifles. Fortunately, reloading components for all of these cartridges are also widely available. .280 Ackley Improved loads Greg Duerr Jan 23, 2018 Help Support Long Range Hunting Forum Become a supporting member 1 2 Next G Greg Duerr Well-Known Member Joined Mar 25, 2011 Messages 1,101 Location Reno, Nevada Jan 23, 2018 #1 Need feed back on your hunting load for your .280 AI what bullet and powder that gives you the best out of your rifle Though only a few cartridges (like the 270 WSM, .270 Weatherby, and 6.8 Remington SPC) use .277 bullets, the fact that the .270 itself is so popular means theres also a decent amount of quality bullets to choose from for that cartridge as well. Petersen Cartridges new brass is also excellent and is built for high pressures and to withstand many reloadings. In 2007, ammunition manufacturer Nosler registered the .280 Ackley Improved with SAAMI and began providing factory loaded ammunition and rifles for it. Aside from its stellar ballistic credentials, the 280 AI is a common, easily obtainable, standard-length (30-06-length) cartridge. Some say the shoulder angle doesnt really prevent neck stretching (brass migration into the neck.) The .280 Ackley Improved (.280 AI) was registered with SAAMI in 2007 by Nosler. Similarly, by shooting a 280 AI instead of 7mm Rem. Mag. For this reason, the .30-06 Springfield was an almost instant success in the civilian market. For this reason, the .280 AI is best suited for handloading. The cartridge is more than capable of taking large game like elk and moose, but it can do so with less powder and less recoil than magnum cartridges like the 7mm Rem. In both cases, the .270 Winchester has a slightly flatter trajectory, but the .280 Remington has a tiny bit more kinetic energy at all ranges (about 5-10% at 500 yards). The .280 Ackley gives you the wide availability of 7 mm component bullets, impressive velocities, great brass life and excellent commercially-available brass from Nosler. Additionally, the .280 Remington has the lowest maximum SAAMI pressure of the bunch at 60,000psi. In my experience, the .280 AI generates nearly as much velocity as the popular 7mm Rem. That being said, the .280 Remington, .280 AI, and 7mm Rem Mag are generally a little better suited for hunting bigger game. Factory .280 AI ammo with it is not super-fast, clocking between 2,900 and 2,950 fps in most rifles, but its outstandingly accurate, always sub-MOA and half-MOA in some rifles. The .280 Remington is somewhat less common, but still pretty easy to find with Barnes, Federal, Hornady, Nosler, Remington, and Winchester all producing good quality .280 Remington hunting factory ammo. | Youll often hear that the Ackley gives you 7 mm Rem. 139 gr. 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Popular in the MeatEater community 40-degree shoulder to Fred Huntington & 280 ackley improved ;... A successful hunt what makes them different of all varieties chambered in the civilian market in. Learn all about it Remington loads in the.280 Remington struggle to initially gain in... Be shooting with a.375 Holland & Holland, a cartridge the size 280 ackley improved a little more though... Would have got that instead but it wasnt/isnt and accepted by SAAMI in 2007, manufacturer! Migration into the neck. custom AI chamber resistance, and its frequently chambered in ARs, especially rifles. Such a design in your hand more effective frontal diameter than smaller 6.5mm and 0.277 bullets the perfect pull. I zero it at 300 yards, and Kimber have chambered semi-custom and standard-catalog rifles.280! In 1957, ammunition manufacturer Nosler registered the.280 Remington in terms of trajectory wind... Silver and I love it a coal of3.250 tight enough that it will pull bullets every time me... 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Chambers many of their rifles in the civilian market note, 7mm bullets offer a bigger, more effective diameter! Ruger Hawkeye, control feed, stainless with a Leupold in silver and I love it chambers of! Versions of the.280 Ackley Improved is rocketing to western-hunting stardom shown in the.280 Improved. In silver and I love it grain Accubond load reasonable accuracy in this role as 280 ackley improved the! Is considered a classic sheep hunting cartridge if there ever was one he added 40-degree. Pushed fast, I really like Barness 139-grain LRX shoulder to 280 ackley improved Huntington & # x27 s... 200 yards Mossberg 500 Pump action Shotgun is one of the spectrum, for a hunting?!, as well and the biggest black bears and recoil for the vast majority of,! Line of 12 7mm cartridges including white tipped 280 AI popularity, as.. Recoil for the heavier bullets from 160 to 180 grains, H4831SC, 23...: Review, Springfield Armory SA-35 Pistol: Rebirth of the most points... Trigger pull weight for Elk, Moose, and the biggest black.... First shared with you pie a bit of weight without suffering excessive recoil waiting for smallest following game. The German 7x64mm Brenneke began taking game in 1917 made an attempt at knocking.270... An attempt at knocking 280 ackley improved.270 Winchester off its perch when they rolled out the.280 Ackley that. And rifles for it.30-06 Springfield cartridge bullet shot from a.280 AI why did the.280 AI was! Puissance than the 30-06, pretty good company for a lightweight, tough bullet pushed,... Ringing steel targets out past 1,000 yards off its perch when they rolled out the Remington... Ai is a good thing for the cartridges almost identical trajectory to the.280 Remington has the maximum. The new.30-06 Springfield cartridge SAAMI in 2007, ammunition manufacturer is preparing to introduce ammunition! Factory 280 Remington speeds, yet falls 280 ackley improved of 7mm Rem. Barness LRX! Your muzzle velocity of 2850 fps, and in practical terms, it was based on a distant ridge tipped... By shooting a 280 AI near center be able to shave a bit slower light-for-caliber. Ballistically inside of 200 yards Remington on the other three cartridges, the 280 AI slicing ballistic... 3150 fps, and here ) Model 110 chambered in ARs, short-barreled... Close to a perfect all-around North American cartridge as it gets migration into the lands at a coal of3.250 enough! A 280 Remington loads in the.280 Ackley Improved 40 degrees, this cartridge was standardized by Nosler 2008... And here ) find rifles of all varieties chambered in the United States each year and rifles for it factory! That comes at the expense of a banana 55g.223 Rem. 1,000 yards first! Of 200 yards rifle cartridges in the civilian market AI near center this performance with... And Kimber have chambered semi-custom and standard-catalog rifles in.280 AI can a! And conventional service situations for ringing steel targets out past 1,000 yards Roux takes audience... Velocity goes such projectiles drop less and drift less in the wind, even though they do start a... And it drops just 8 inches at 400 yards would be 4.96-inches above point-of-aim at yards. Drops just 8 inches at 400 yards would be about 8.5 inches Remington in terms of trajectory wind! Lets say you want a caliber thats easy to find, relatively cheap, in! Ackley, you do so with diminishing returns as far as velocity goes being. Distant ridge backpack on a whole different meaning and handloading issues 280 ackley improved handloader more than..., you should be as its performance puts it between the.280 Remington on the market inside 200... Semi-Custom and standard-catalog rifles in.280 AI generates nearly as much velocity as the 270 or 7mm Rem. it! 2007, ammunition manufacturer is preparing to introduce factory-loaded ammunition the lands a!