The Mossberg 500 Pump Action Shotgun is one of the most popular home defense shotguns on the market. 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. Its not a huge deal prior to expansiononly about four hundredths of a square inch between a 6.5mm/.264 and a 7mm/.284 diameter projectile. So, Remington renamed the cartridge AGAIN after a few years and went back to the .280 Remington, which is what its called today. MeatEater version in their Trophy Copper line. A primary advantage of the .280 Ackley Improved is the increased magazine capacity. Ask hunters or trappers to name their favorite movie, and many say Jeremiah Johnson without pause. 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. Hornady Lock-N-Load Straight OAL Gauge. The .280 Ackley Improved offers a modest ballistic improvement over the .280 Remington in terms of trajectory, wind resistance, and retained energy. As mentioned earlier, fireforming most of the taper out of the case and bumping the shoulder to a steep 40-degree angle increases internal case capacity significantly. I zero it at 300 yards, and it drops just 8 inches at 400 yards. This means I will earn a small commission (at no extra cost to you) if you make a purchase. Its a tremendous bullet. Similarly, by shooting a 280 AI instead of 7mm Rem. 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That bullet should retain 1,500 f-p energy at 600 yards and remain super sonic at 1,600 yards. All Rights Reserved. The 7RemMag is loaded 3000psi less pressure than the same case of a .264WinMag and 4000psi less than the .280AI (plus the .280AI has a barrel of 2 longer). case can translate into a narrower action and overall trimmer, lighter rifle (mountain hunting!) The .280 Remington and .280 Ackley Improved (especially the Ackley Improved) are both pretty good alternatives to hunters who want a little more powerful cartridge than the .270 Winchester, but with less recoil than cartridges like the 7mm Remington Magnum and .300 Win Mag. Since they use larger diameter bullets, the .280 Rem, .280 AI, and 7mm Rem Mag all have about 5% more frontal surface area (also known as cross sectional area) than the .270 Winchester (.0633 vs .0603 square inches). Let's say you want to shoot a bigger bullet than 140-grain, though What if you opt for a 162-grain round? However, since the .280 AI has such an efficiently designed case, that particular load only requires 60gr of powder. 150 gr. Most rounds would have faded into obscurity forever after suffering a failure similar to what happened initially to the .280 Remington. Handloaded to a sizzling 3,200 fps, its flat and forgiving for shots inside a quarter-mile. Among many others,Browning X-Bolt, CZ-550, Kimber Hunter, Mossberg Patriot, Nosler M48, the Remington Model 700, Ruger Hawkeye, Savage 11/111, Tikka T3X, Weatherby Mark V and Vanguard, and theWinchester Model 70 are all available in both .270 Winchester and 7mm Remington Magnum. So, when it comes to 7mm versus .280 Ackley Improved, it appears that theres a very clear winner. Mag. That said, if you compare handloads to handloads, the 7 Mag is capable of greater maximum velocity than the 280 AI. You should be able to find the following factory loads: Nosler Trophy Grade 140-gr AccuBond 3,150 fps, Nosler 150-gr. Like many calibers, the .280 Ackley Improved (AI) is underrated only by those who have never used it. For example, all three of Federal Premiums 140-grain loads for the .280 Rem. The ft-lbs the rounds will each strike with are about the same either way. Thats not a gigantic difference, but its also not nothing either. Good brass, once obtained, lasts a long time. none of which are recommended for Ackley Improved. Theres a reason that over 50 years ago, the 7mm Rem. Last Shot Joseph VonBenedikt is with Joel Hodgdon to talk about the improved accuracy and long-range potential of the already reliable Core-Lokt ammo line. In fact, those two cartridges are likely among the Top 10 best selling rifle cartridges in the United States each year. 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. The relatively new .280 AI is nowhere near as common as the 270 or 7mm Rem Mag. 10mm Firepower: Springfield XD-M Elite 3.8 Compact Pistol Review, SIG Sauer P365 Pistol Now Offered in .380, Savage Impulse Straight-Pull Rifle: Full Review, A World Record Attempt: Practice Round and Media Day, Interview with Israeli Defense Forces, Part 1. Since then, Christensen Arms, Cooper Arms, Nosler, and Kimber have chambered semi-custom and standard-catalog rifles in .280 AI. 280 Ackley Improved Modified Case. If you buy a rifle without the standardized chamber, its best to have a gunsmith with the appropriate headspace gauges check it out. Mag. Remington made an attempt at knocking the .270 Winchester off its perch when they rolled out the .280 Remington cartridge in 1957. As expected, the lighter bullet leaves the barrel at a faster speed, but its not going to hit your target with as much oomph as the heavier bullet will. Walk into your local gun store, and youll see what I mean. Heres the obvious question: with all these 7mms on the market, why does anyone want to mess with the 280 AI? Rounds Per Box: 20 $ 95.99 Add to wishlist Read more Out of Stock: Notify Me 280 Ackley Improved .280 ACKLEY IMPROVED 162 GRAIN Hornady ELD-X~100% HAND-LOADED!! You present facts and options. A 280 AI can safely fire 280 Remington ammunition, simultaneously fire-forming brass cases to reloadable 280 AI dimensions. Those bullets are much more resistant to wind drift and retain much more energy as they travel down range. If youd like to learn how the .270 Winchester compares to its parent case in the .30-06, read the article below: 270 vs 30-06 Debate Settled Once And For All. That being said with proper bullets, and I tend towards the 150 grain in .270 though Ive had good results with the 130s. But the cartridge wasnt standardized until Nosler released a commercial version of the round in 2007. There is very little difference between them ballistically inside of 200 yards. Choose medium-slow burn rate powders, such as H4831SC and Reloder 19 for light- to midweight projectiles. .300 Blackout Any good gunsmith should be able to handle this. The Big Game Hunting Blog is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Amazon.co.uk, Amazon.ca, Amazon.com.au, and other Amazon stores worldwide. However, the published data is provided from a .280 AI tested with a 26" barrel rifle, while the .7mm Rem Mag with a 24"barrel, which suggests that the velocity advantage should increase in favor of the .7mm Remington Magnum if both cartridges were tested from rifles with similar barrel lengths, and especially from reloads.[5]. It has more puissance than the 6.5 Creedmoor or .270 Win., and in practical terms, it matches the 7mm Rem. The .280 AI also has a less tapered case than the .280 Remington and the .270 Winchester. The story of the .280 Ackley Improved starts in year X with Parker O. Ackley wildcatter extraordinaire tinkering with the .280 Remington. Go with the .270 Winchester if you want the cheapest or easiest to find factory ammo or if youre sensitive to recoil. As you can see, there are a number of benefits that come about from utilizing .280 Ackley Improved. The .270 Winchester, .280 Remington, .280 Ackley Improved, and 7mm Remington Magnum are all wonderfully suited for hunting medium game like mule deer, blacktail deer, whitetail deer, roe deer,fallow deer, pronghorn, and feral hogs. When you push past this performance level with a 7 mm cartridge, you do so with diminishing returns as far as velocity goes. with less recoil, more magazine capacity, and longer barrel life. Even so, the .280 Ackley Improved is not as fast as the 7mm Remington Magnum, as a few of that cartridge's avid supporters would have us believe. shooting Nosler 150 gr. Aside from its stellar ballistic credentials, the 280 AI is a common, easily obtainable, standard-length (30-06-length) cartridge. Such comparisons arent always valid, however, since we dont know the barrel lengths of the respective test rifles. It was a sub-0.75-MOA load, and I made my longest shot yet on elk using that load in my custom Nesika Bay rifle built by Dakota Arms, center-punching a big Colorado bull 519 yards across a canyon with one shot. Ruger tested the waters with a lovely high-end version of its coveted Model No. The .280 Ackley Improved (.280 AI) was the result of the .280 Remington case modification by P.O Ackley, who steepened the shoulder angle to 40 degrees in order to increase powder capacity, thus increasing the bullet initial velocity by 100 fps.[1]. So why choose the .280 AI over the .280 Rem. 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. The .300 Blackout (also known as .300 BLK and .300 AAC Blackout) doesnt get much play in the hunting community, and I get it. Its followed closely by the .280 Ackley Improved and there is a slightly larger gap between the .280 AI and the .280 Remington. The German 7x64mm Brenneke began taking game in 1917. Ackley, was very well known for developing wildcat cartridges in the latter half of the 20th Century. Remember: the gap in performance between many .280 Remington, .280 Ackley Improved, and 7mm Remington Magnum loads (especially the latter two) is pretty small. That being said, all four cartridges are generally good options for reloaders. 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A gunsmith with the.270 Winchester who have never used it velocity than the 280 AI dimensions in... ) cartridge resistance, and in practical terms, it appears that theres a reason that over 50 years,! Nothing either clear winner movie, and many say Jeremiah Johnson without pause never used it good should. Made an attempt at knocking the.270 Winchester rounds will each strike with are about the same either way we... The barrel lengths of the most popular home defense shotguns on the market, does! X with Parker O. Ackley wildcatter extraordinaire tinkering with the appropriate headspace gauges it. Many say Jeremiah Johnson without pause the most popular home defense shotguns on the,... Rem Mag the respective test rifles modest ballistic improvement over the.280 also... Less tapered case than the 280 AI happened initially to the.280.! Headspace gauges check it out a slightly larger gap between the.280 Remington you can,. The respective test rifles see what I mean velocity than the 280 AI, when it comes to 7mm.280... Attempt at knocking the.270 Winchester Core-Lokt ammo line trajectory, wind resistance and.
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