will probably do it more easily. and the .280 Ackley Improved is the steeper 40 degree, which lengthens the case body and allows for about 5 percent more powder capacity. 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. So, Remington renamed the cartridge AGAIN after a few years and went back to the .280 Remington, which is what its called today. However, for hunting, there are better balanced options for the .280 AI. The smaller diameter of the 280 Rem. 1 Single 284/7mm Caliber Projectile From $ 1.00. Read on for his take on this Thai-inspired fusion dish. Nosler used a 24 barrel for the .270 Winchester and 7mm Remington Magnum, but a 26 barrel for the .280 Remington and .280 Ackley Improved in their published reloading data I used above. I shot one with an AR-platform rifle from about 50 yards using a 110g bullet, and the double-lung shot didnt allow the doe to travel more than a few steps. Fortunately, there are plenty of options. On another hunt, my brother-in-law took a nice buck with a little break-action rifle from about 85 yards using a 125g projectile. Decades ahead of his time in cartridge design, Ackley became a household name for his work, at least among cartridge enthusiasts. Joseph Von Benedikt is with Rafe Nielsen of Browning to take a look at a new X-Bolt series rifle. Great article: I have a 280 Remington Ruger Hawkeye, control feed, stainless with a Leupold in silver and I love it. For practical purposes, the .280 Ackley Improved is similar to the .270 Winchester, 30-06 Springfield and .280 Remingon. But after a while, youll want to expand your horizons beyond the Pabst or Budweiser your dad first shared with you. Single 284/7mm Caliber Projectile. First, the .270, .280, and .280 AI are all very similar in appearance: they have the same rim diameter as well as very similar case lengths. Isnt the 280 AI slicing this ballistic pie a bit thin? .280 Ackley Improved - Published Manufacturer Loading Data. Such projectiles drop less and drift less in the wind, even though they do start out a bit slower than light-for-caliber bullets. We show you how. Compare that to a 175-grain 7mm bullet fired at 2,850 fps from the .280 AI, which generates less than 26 ft-lbs. However, the brass is then fireformed to .280 AI after doing so, which is yet another reason why its a good idea to handload if you like the .280 AI. Being a standard .30-06-diameter cartridge case, nearly all popular bolt-action hunting rifles will hold at least four rounds in the magazine, and many models comfortably swallow five down, plus one in the chamber. Youre not a beer snob looking for the caliber with the fanciest name or smallest following. When chambered in a fine rifle like this Nesika Hunter Model V, the .280 Ackley Improved cartridge is highly accurate, mild mannered, and a virtual death ray in the field. A World Record Attempt and everyone is out at the range shooting and practicing. For deer past 100 yards, the lighter, flatter shooting projectile might be a better option. Among other things, hes particularly well known for his series of Ackley Improved cartridges. Indeed, depending on the exact barrel length of the rifles in question, the real world advantage one cartridge may have over the other may narrow considerably, disappear, or even flip in favor of the other cartridge. 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 also uses .277 bullets while the .280 Remington, .280 AI, and 7mm Remington Magnum all use .284 bullets. A technician friend at Barnes used this bullet right after it was introduced for a once-in-a-lifetime free-range bison hunt in Utah and shot a large, old bull right at 600 yards with his .280 AI rifle. Additionally, its possible to safely (and often relatively accurately) fire .280 Remington ammo in a .280 AI rifle. 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. 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. 150 gr. . 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. Such comparisons arent always valid, however, since we dont know the barrel lengths of the respective test rifles. Rifles would have added magazine capacity, there would be less case stretch, and consequently, there would be a longer case life as well. But do you know how to properly use them? Ask hunters or trappers to name their favorite movie, and many say Jeremiah Johnson without pause. Learn the difference between revolvers and semi-auto pistols and what makes them different. Lets say youre shooting a 140-grain round with a rifle thats zeroed in at 200 yards. Mag., 150-grain bullet, 3,248 fps: 29.16 f-p recoil energy, 16.37 fps recoil velocity. Rifles, Inc. is still making great, lightweight hunting rifles, but you can now find factory rifles in 280 AI from Kimber, Nosler, Christiansen Arms, Savage, Cooper Firearms, Montana Rifle, and Fierce. Ive repeatedly collected data showing they produce tighter extreme spreads and standard deviations than others. More and more production rifles are being chambered for 280 AI every year. Well, maybe not when you consider its ballistic performance plus a few gun-fit, gun-handling, and handloading issues. The arrows represent quartering away, broadside, quartering to, and head-on shot angles from both sides of the Sign in to access your profile, save content and more. Remember, ejecta (exploding gases and particulates exiting the muzzle) contributes greatly to recoil. Go with the .270 Winchester if you want the cheapest or easiest to find factory ammo or if youre sensitive to recoil. I have killed and been around a pile of animals killed with .270s and .280s as wet have a few in the family. 7mm Remington Magnum, 150-grain 3,250 fps, 7mm Weatherby Magnum, 150-grain 3,300 fps. The end result was the .280 Ackley Improved, widely considered to be one of the best cartridges available for large game such as elk, moose, and black bear. Mag. 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. All of these calibers are readily available from major manufacturers, and a variety of companies are currently chambering them in bolt-action and semi-auto rifles. 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. All Rights Reserved, Borden's 7mm Rem. The .280 gets significantly more passthroughs than the .270 and it just seems to kill better. Having plenty of follow-up ammo on tap is a very good thing. Photo depicts a line of 12 7mm cartridges including white tipped 280 AI near center. This comes at the expense of more recoil though. Since it uses a much larger case diameter, most rifle magazines will hold more .270 Winchester, .280 Remington, or .280 AI cartridges than 7mm Remington Magnum cartridges. Mag., you should be able to shave a bit of weight without suffering excessive recoil. 2023 Outdoor Sportsman Group. Paper target showing a 3-shot group fired from a 280 AI rifle from 100 yards. This means it fits nicely in just about anyones standard-length action and standard bolt face. performance by about the same speeds. 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. 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. That seems early until you learn the 280 Ross, quite popular in Canada and leaking down into the U.S., was a 1906 release. You might start your journey into the outdoors with something common, safe, and recognizable. 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. [2] Several different companies manufacture rifles chambered in .280 AI, including the Ruger M77 Hawkeye, Savage 110, Browning X-Bolt and Weatherby Mark V. The .280 AI is basically the .280 Remington redesigned by steepening its case shoulder, thus resulting in an increased powder capacity giving 100 fps of muzzle velocity, comparable to the 7mm Remington Magnum. Factory data has it exiting the muzzle at 2,850 fps, just 90 fps slower than the same bullet in Hornadys 7mm Remington Magnum ammo. The 280 AI gives you heavier bullet options than the .270 Win. 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. I've not conducted any scientific tests, but Ive certainly had to do less trimming of my Ackley cartridges than their factory counterparts. 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. Even so, no animal will never know the difference if your shot is placed in the right spot. but this depends on the maker. Lets say you want to shoot a bigger bullet than 140-grain, though. Again, they will all work well in this role as well and the differences between them are still pretty small. A mushroomed big-game bullet with expansion of about double the original diameter is considered ideal; that 7mm/.284-diameter bullet measures 0.568 inch across, with a surface area of over 1.01 square inches. In 2007, ammunition manufacturer Nosler registered the .280 Ackley Improved with SAAMI and began providing factory loaded ammunition and rifles for it. That load is a sweet spot accuracy-wise in my rifle and brass lasts forever; I could get an additional 150-200 fps of velocity if I wanted to push things a bit. Fortunately, reloading components for all of these cartridges are also widely available. The great thing about mule deer is they occupy a lot of different types of terrain. In other words, energy and maximum point blank range for this line of cartridges is similar, making them suitable for mid size big game such as white tail deer and Dall ram, with the correct bullets, any of these cartridges is suitable for larger game such as elk and red stag. Its also better suited to using heavier bullets than the other cartridges. Available in different sizes and red dot ready, it'll fit your needs, whatever they are. And it is a high performer. Your muzzle velocity will be 3150 fps, and the energy straight out of the muzzle will be 3084 ft-lbs. All will certainly work to one degree or another. As you can see, the .280 Remington and .270 Winchester are identical up to the shoulder and have the same 17.5 degree shoulder angle, but the shoulder of the .280 Remington is moved slightly forward. Since the .280, .280 AI, and 7mm Rem Mag use the very popular .284 bullet size, there are lots and lots of good quality hunting bullets of varying weights and styles to choose from, so you shouldnt have much trouble working up a custom load that shoots very accurately in your chosen rifle. Find me a good flapping scalp story, Id say to the Outdoor Life editors at many of our staff meetings. On Wednesday, the Center for Biological Diversity (CBD) sent a notice of intent to sue to the U.S. Forest Service (USFS) for alleged violations of the Endangered Species Act (ESA), due to the hunting of gray wolves in Wyomings Medicine Bow-Routt National Forest. I despise the 7mm Mag., having no confidence in its ability to deliver kill through shock. The 7mm Rem Mag load above still has about3% more free recoil energy than the faster .280 AI load. or the 7 mm Rem. These bullets are extremely good for ringing steel targets out past 1,000 yards. 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. The German 7x64mm Brenneke began taking game in 1917. 6.5 Creedmoor vs. 6.5 PRC: Which is Better? with a similarly-weighted bullet. Handloaded to a sizzling 3,200 fps, its flat and forgiving for shots inside a quarter-mile. However, the cartridge shoots larger diameter bullets that are generally heavier. Case capacities and reloading data were obtained from Nosler (here, here, here, and here). Savage 110 High Country 280 AI Bolt-Action Rifle with Camo Stock. Had it been available in .280Rem I would have got that instead but it wasnt/isnt. Like many calibers, the .280 Ackley Improved (AI) is underrated only by those who have never used it. The .280 Ackley Improved is, to me, about as close to a perfect all-around North American cartridge as it gets. Good brass, once obtained, lasts a long time. This is illustrated in the table below comparing Nosler Trophy Grade and Hornady Precision Hunter factory ammunition loaded with 130gr AccuBond (.435 BC) and 145gr ELD-X (.536 BC) bullets in .270 Winchester, 140gr AccuBond (.485 BC) and 150gr ELD-X (.574 BC) bullets in .280 Remington, 140gr AccuBond (.485 BC) and 162gr ELD-X (.631 BC) bullets in .280 AI, and 140gr AccuBond (.485 BC) and 162gr ELD-X (.631 BC) bullets in 7mm Rem Mag. Not surprisingly, the .270 Winchester and .280 Remington have very similar case capacities while the .280 AI can hold a little more powder because of its less tapered case and steeper 40 degree shoulder. I loved my .280 Rem., though I didnt have much confidence with it beyond 350 yards. 1 Hornady Lock-N-Load Straight OAL Gauge $ 36.99. The ft-lbs the rounds will each strike with are about the same either way. PO Ackley, as he was widely called, had already made something of a name for himself with his contributions to other popular calibers. This is one of the most interesting points of comparison between the 7mm Rem Mag and .280 AI though. 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. This was not the way it was supposed to happen. 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. When he was tinkering with the .280 Remington, Ackley added a bit of his personal trademark: he drastically increased the shoulder angle and straightened out the taper of the body case. Muzzle velocity was 3,060 fps, right there with advertised 7mm Rem. So, when it comes to 7mm versus .280 Ackley Improved, it appears that theres a very clear winner. That bullet should retain 1,500 f-p energy at 600 yards and remain super sonic at 1,600 yards. The Staying Power of the .257 Roberts Cartridge. All things considered, the .280 Remington had a lot of potential and should have been a big success, but the company made a couple of major blunders when they rolled out the new cartridge. I hit the Cape buffalo squarely in the chest with a .375 Holland & Holland, a cartridge the size of a banana. Ackley after he added a 40-degree shoulder to Fred Huntington's .280 RCBS Improved. Roy Weatherbys proprietary 7mm Wby. 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. Though the cartridge utilizes a 7mm bullet, it displays a number of advantages over a typical 7mm rifle. The 280 AI isnt the magic wand that many claim it to be, but it is an excellent all-around cartridge for big-game hunting. Mag.? Ackley. E tips so its ready for CA hunting. Remington never introduced a new cartridge it couldnt hurt, the .280 and now the .260Rem being the best examples. On the subject of efficiency, .280 AI cases dont stretch much each time theyre fired. That reason was heavier bullets. Semi-automatic and striker-fired, the P320-XTEN is extremely accurate, easy to shoot even with powerful 10mm loads and holds 15-plus-one rounds. Shaw Custom Barrelssells new barrels in five different contours chambered, crowned, and threaded for your specified action for as little as $160. This is because it takes an additional 3.5 grains of powder to produce that additional 50fps of velocity. The difference is about 14 percent. It could push 150-grain bullets about 2,800 fps. Ackley Improved 40 degrees, this cartridge was standardized by Nosler and accepted by SAAMI in 2008. Handloading the 280 AI is straightforward and easy with a wide variety of medium- to slow-burning powders, but this isnt a handloading-only cartridge these days. Its also easy to see why the 7mm Remington Magnum quickly pushed the .280 Remington even further out of the limelight at first. 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. Any modern, strong bolt-action that can handle a 30-06, 270 Win., 25-06 Rem. Are you a handloader? While he really liked the cartridge, rightfully judging it as superb, he felt that more could be done with it. Brand: Savage. The result was the .270 Winchester cartridge, which they released in 1925 with the Winchester Model 54 rifle. Read the article below if youd like to learn more details about some of the various hunting rifle choices for the 270 Winchester. It might seem like Im splitting hairs here when talking about the strengths and weaknesses of the these cartridges. Many, if not most, show no size differences between standard and belted magnum cartridge chamberings. In 1995 I bought a Model 700 Mountain Rifle chambered in .280 Remington. This isn't your grandpa's muzzleloading system. The US Army started looking for a new service rifle and cartridge after being on the receiving end of a deadly demonstration of the capabilities of the revolutionary new Mauser rifle and7mm Mausercartridge in the hands of Spanish troops in Cuba during 1898. Savage 110 Hunter .280 Ackley Improved Bolt Action Rifle 22" Barrel 4 Rounds Syn. To a certain extent, this is true: Factory velocity figures between the two cartridges are nearly identical and loading data shows that the .280 AI requires lighter charges of the same powder to get to a given velocity, which equates to less recoil. What's the Perfect Trigger Pull Weight for a Hunting Rifle? No other movie makes them fantasize quite as much about the Old West and mountain men, and wonder if they could have cut it in the early to mid-1800s. Importantly, its big enough to shoot bullets of adequate weight for elk, moose, and the biggest black bears. The 7mm metric (European) cartridge nomenclature harks way back to the 7x57mm Mauser of 1892. Mag. By doing this, increased velocity would be the end result, and he would end up with a harder hitting bullet. However, it is much more significant when the two expand. And well it should be as its performance puts it between the .280 Remington on the slower side and the faster 7mm Remington Magnum. The famous wildcatter P.O Ackley, worked on the .280 Remington case in order to add it to the line of "Ackley Improved" cartridges and named it the .280 Ackley Improved 40 degrees. This was due to a number of reasons, one of which was the fact that the .270 Winchester fired unusual size bullets. This original 7mm gave rise to the 30-06 and all subsequent cartridges based on it, but it also inspired a lot of other 7mm rounds. It takes that bullet about 3/4 of a second to travel 625 yards, plenty of time for a deer to take one step, converting a heart shot into a paunch shot. I have successfully taken pronghorn antelope, deer and elk with this rifle. Some gun designers necked up the .30-06 to develop bigger cartridges like the 338-06 and the.35 Whelen. 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]. However, the larger .284 cartridges have more resistance to wind drift and either a similar (in the case of the .280 Rem) or flatter trajectory.

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