And loaded judiciously, it will push heavy VLD-type 180-grain bullets as fast as the 7mm Remington Short Action Ultra Mag. Our current production dies are for chambers that are cut to the SAAMI … Factory 280 Ackley Improved rifles. S. SU35 OP. These modifications resulted in added capacity, which increased velocity, and less case stretch, which resulted in longer case life. It’s a tremendous bullet. He then changed the 35-degree shoulder to 40-degrees and the .280 Ackley Improved was born. Out of Stock × Out of stock. That might not seem like much, but the.280 Ackley Improved (also known as the 280 AI, 280 Remington Ackley Improved, or 280 Rem. I zero it at 300 yards, and it drops just 8 inches at 400 yards. Nope. was better know for his barrels and rebore work. by Keith Wood - Looking at switching to Vihatvouri powder for use with 160 - 168gr projectiles. Just for reference, the .280 AI will shoot a light 140-grain bullet about 300 fps faster than the .270 Winchester can. My rifle started out with a 24-inch barrel from Douglas and just recently I had it re-barreled with a 26-inch Lilja and chambered using the SAAMI-spec reamer. Home / Product Caliber / 280 ACKLEY IMP 280 ACKLEY IMP. You’re talking about a cartridge suitable for a wide variety of game without the recoil of a magnum round. There’s never been a better time to get into the .280 Ackley Improved game, and there’s never been a time when the cartridge has been more relevant. Shop Nosler Products. We look at the futuristic .450 Bushmaster and how it compares to the tried and true .45-70. Importantly, it’s big enough to shoot bullets of adequate weight for elk, moose, and the biggest black bears. Their cases offer reloaders excellent uniformity in wall thickness, weight and internal capacity. Sort By . Compare that to a 175-grain 7mm bullet fired at 2,850 fps from the .280 AI, which generates less than 26 ft-lbs. All Rights Reserved. Seller: Ammo And Arms Ammo And Arms. Looking for some advice here please. Ackley gave the .280 Remington a steep 40-degree shoulder and straightened out most of the cartridge case’s body taper, he likely knew he was on to something special. In his life time P.O. While Nosler offers pre-formed 280 Ackley brass, you may want to form your own. Minuteman. Several propellants work wonderfully in the .280 AI. It is important to note that the SAAMI-spec .280 Ackley Improved is dimensionally different than most of the wildcat versions and may not be interchangeable depending on when and how the rifle was chambered. Joined Jan 13, 2019 Messages 39. 280 Ackley 162 gr ELD-X ® Precision Hunter ® Item #85586 | 20/Box . E-mail your comments/questions about this site to: EmediaHunter@nrahq.org, For questions/comments about American Hunter magazine, please e-mail:Publications@nrahq.org, You can contact the NRA via phone at: NRA Member Programs1-800-672-3888, To advertise on American Hunter, visit nramediakit.com for more information. Shipping calculated at checkout. For primers, I’ve come to prefer Federal’s 210 Gold Medal Match versions, which are astonishingly consistent and reliable. Thread starter Jager Waffen74; Start date Jul 14, 2020; Tags.280 ai remington sheep rifle Jager Waffen74. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. Looking at switching to Vihatvouri powder for use with 160 - 168gr projectiles. The primary difference between the standard .280 Rem. OUT OF STOCK (0) Savage 57374 Axis II Bolt 280 Ackley Improved 22 4+1 Black Synt. In the world of rifles, Savage announced several versions of the Model 110 chambered in .280 AI. 280 Ackley Improved, 22", Bolt Action, Synthetic Black Stock, Matte Black Finish, ... Hinterland #: 85984; MFG #: 57374; Availability. I would like to make a trade for a 300wsm or 30saum or something similar. Home / Product Caliber / 280 ACKLEY IMP 280 ACKLEY IMP. Log In Register. Looking at it from a technical perspective, the.280 Ackley Improved is a much better design in that it runs on less powder, yet offers a performance level comparable to the 7 Mag. Shoulder is set at 40-degrees. If you have a rifling twist that’s fast enough, the .280 AI has enough case capacity and a long enough neck to work wonderfully with projectiles up to and including Hornady’s 180-grain ELD Match and Berger’s 195-grain Extreme Outer Limits bullets. Ackley's earliest wildcats was the 7mm-06 Improved, which was made by necking down the .30-06 Springfield case and fire-forming it to have less body taper and a 40-degree shoulder angle. The.280 Ackley has a similar velocity to the 7mm Rem Mag, when using light to mid-weight bullets. OUT OF STOCK (0) Savage 57487 Axis II 280 Ackley Improved 4+1 20" Mossy … Well, for starters, if you’re not a handloader, I don’t know that I would. and the.280 Ackley Improved is the steeper 40 degree, which lengthens the case body and allows for … One of P.O. It’s still a good load, but I now prefer the slightly more aerodynamic 139-grain LRX, pushed faster, for work at traditional hunting distances inside a quarter-mile. out of an Ackley chamber. This means you have the option to read your magazine on most popular phones and tablets. Saami spec on the 280ai is … The.280 Ackley Improved provides honest magnum performance with every advantage of a standard cartridge. The "improved" case is on the left and the standard .338-06 on the right. 1 of 2 Go to page. With 200-grain bullets pushed at 2,900 fps or so, the big .30s clearly impact with more visible result—on both ends. The four basic methods of making rifling in a barrel are single-point, broach, button, and... We're taking a look at what the Army's Elite Units are using for service rifles and what the future of SOCOM sniping looks like. Nearly concurrently, Federal announced it was working on three different .280 AI loads, including a Berger bullet and Federal’s own Terminal Ascent and Trophy Copper bullets. Their cases offer reloaders excellent uniformity in wall thickness, weight and internal capacity. 85586. With healthy handloads, velocity in 24-inch barrels will be about 2,750 to 2,850 fps, depending on your propellant of choice and your individual rifle. Posts: 13,843. Muzzle energy is about 3,400 ft-lbs. Part# 57145 UPC 011356571458 Savage's 110 Hunter model delivers a customized fit required for consistent accuracy. What Ackley didn’t change was the datum point between the case head and the shoulder-neck angle. Joined Apr 26, 2018 Messages 182 Reaction score 151 Location Idaho Media 187 Member of Safari Club International, NRA, Wild Sheep Foundation Hunted Tanzania, Nimibia, S. Africa Jul 14, 2020 #1 I am … Both Nosler and Hodgdon provide detailed loading data for the .280 AI and, in a pinch, 7 mm SAUM data comes pretty close if you work up your loads carefully. 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. FAQs; Categories. Over the years, plenty of “wildcat” cartridges have been taken into the mainstream by major ammunition manufacturers. For Sale Custom .280 Ackley Improved Sheep Rifle $1,550 Shipped. Thread starter Non-Lead Hunter; Start date Jan 14, 2017; 1; 2; Next. ©2020 Outdoor Sportsman Group. : Wildcat created by the legendary P.O. ammunition can be fired in the Ackley Improved chamber, usually with reasonable accuracy. Subscriber Services. I decided to start with the Berger classic 168 and 4831. There is no reason that the barrel would need to be set back to get the chamber correct. The difference is about 14 percent. That the .280 AI can be built on a standard long action with a 30-06/.270 bolt face and magazine box is an added bonus. 280 Ackley Improved. 1 chambered for the cartridge and a year later announced the .280 AI in the superb Hawkeye African line of rifles. Go. It was intact and weighed nearly 100 percent. 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 industry’s major players. 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. Therefore, less ejecta equals less kick. If you are a handloader though, the choice is a no-brainer. It’s a hot cartridge — as good as any hard-kicking over-bore capacity magnum in similar calibers — but without the harsh recoil. Out of Stock × Out of stock. Plus, Petersen Cartridge offered premium .280 AI cartridge cases. 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. A .284 bore comfortably pushes bullets of 140 to 180 grains. Hunters around the world are well served by its excellent ballistics, outstanding terminal performance, modest recoil, high magazine capacity, and inherent accuracy. Jan 14, 2017 #1 Non-Lead Hunter Active member. I’ve watched my hunting partner Thomas Provstgaard shoot the 139-grain LRX clean through stout-bodied African plains game, including a steeply angled shot on a massive 55-inch kudu bull. Remember, ejecta (exploding gases and particulates exiting the muzzle) contributes greatly to recoil. Louisiana I have a newly built.280 ackley improved built by David Christman (look him up) that has less than 30 rounds fired through it. $14.95 Per Firearm One $9.99 Charge For Any Amount of Accessories Shipping Information. Ideally, something in the 1:8 range. Most well know of all is probably the 280 Ackley Improved, because Nosler decided to take it to SAAMI and make it a "factory" cartridge. Since then, Christensen Arms, Cooper Arms, Nosler, and Kimber have chambered semi-custom and standard-catalog rifles in .280 AI. Handgun Ammo Rifle Ammo 17 Hornet Ammo 17 Rem Fireball Ammo 17 Remington Ammo 204 Ruger Ammo … 280 Ackley Improved is 280 Remington blown out with a sharper shoulder, so it won't fit in the standard 280 chamber, but it's made by the reverse process: firing 280 Remington cases in … Nosler offers two Custom and two Trophy Grade loads for the .280 AI but that’s about the extent of factory-loaded options. 280 Ackley Improved Controversy Explained - YouTube. There are faster .284 cartridges out there than the .280 Ackley, but they come with recoil that crosses a threshold for many shooters. Conveniently, the .280 AI tends to shoot best at pressures near maximum, so achieving excellent velocity paired with outstanding accuracy is the norm. Oddly, I think the modest velocity is one reason that particular bullet performs so well in the .280 AI—it’s not going quite fast enough to grenade on impact up close. I’ve been a user of this cartridge, in both its wildcat and later in its ballistically identical standardized formats, for just under 15 years. For instance, an improved version of the 280 Remington would be known as a 280 Remington Ackley Improved or 280 AI. Mag. Muzzle velocity was 3,060 fps, right there with advertised 7mm Rem. Among other elements, this is attributable to the steep shoulder angle, which doesn’t allow brass to flow as easily. Left is 30-30 Ackley Improved. Read more. .280 ACKLEY IMPROVED. Last, but not least, I’ve come to love Federal’s 155-grain Terminal Ascent bullet. Mag. Posts: 13,843. When P.O. The SAAMI spec 280 Ackley Improved chamber is .014 inches shorter at the datum line headspace dimension than the traditionally accepted wildcat chamber spec as previously produced. While on the subject of velocity, allow me to point out that the .280 AI really deserves a 24-inch barrel. 162 gr ELD-X ® Precision Hunter ®.287.631 (G1) .318 (G7)-Medium Game 50-300 lbs Large Game 300-1500 lbs. I was getting 2960 fps with 160gr in my Kimber with good accuracy, using Rel 23. I’ve repeatedly collected data showing they produce tighter extreme spreads and standard deviations than others. Ackley Improved 40 degrees,” this cartridge was standardized by Nosler and accepted by SAAMI in 2008. Product Name Price Latest Products Most Popular. The.280 Ackley is an improvement over a standard 280 Remington, and that’s not easy to do. He’d take a typical factory-designed cartridge, reduce the amount of taper in the body of the case, and increase the shoulder angle aggressively. Joined Apr 26, 2018 Messages 182 Reaction score 151 Location Idaho Media 187 Member of Safari Club International, NRA, Wild Sheep Foundation Hunted Tanzania, Nimibia, S. Africa Jul 14, 2020 #1 I am … #14512954 01/27/20: Joined: Aug 2002. 280 Ackley Improved; Brands; Federal; Hornady; In Stock Only Federal 280 Ackley Improved 140 gr Trophy Copper Meat Eater 20/Box $48.99 ($2.45 / round) In Stock Brand: Federal; Item Number: P280AITC1; Type: Hunting; Quantity: 20 Rounds; Federal 280 AI 155 gr Terminal Ascent 20/Box $45.99 ($2.30 / round) In Stock Brand: Federal; Item Number: P280AITA1; Type: Hunting; Quantity: 20 Rounds; … Nosler brass has always been my go-to, because it’s invariably near-perfect and comes weight-sorted and prepped for accuracy, meaning trimmed to length, chamfered, and deburred, and with flash holes uniformed. yet the.280 AI produced less recoil and muzzle blast and offered space for an additional round in the magazine. Frank and Tony from Gallery of Guns spice up the Glock test using their non-dominant hands. He was highly instrumental in the creation of the Gunsmithing School in Trinidad, Colorado. Decades ahead of his time in cartridge design, Ackley became a household name for his work, at least among cartridge enthusiasts. Right standard 30-30 Winchester. In a pinch (read lost luggage), .280 Rem. .280 Ackley Improved, Bullet 162gr Hornady ELD-X, Brass Hornady | Nosler, Muzzle Velocity* 2970fps, Ballistic Coefficient G1/G7 .670/.338, COAL 3.330″. All things equal, improves on the .280 Rem. Full Details More from this Seller. If you have dies for the original they will not form your … Hornady 280 Ackley Improved Rifle Reloading Brass - At Hornady brass is the foundation for what could be the most memorable shot of your lifetime. A primary advantage of the .280 Ackley Improved is the increased magazine capacity. The .280 Ackley Improved was in Ackley’s day, and remains today, a better choice. Developed by P.O. As the mathematicians among us know, when you increase diameter, frontal surface area increases exponentially. The Ackley Improved family of wildcat cartridges are designed to be easily made by rechambering existing firearms, and fireforming the ammunition to decrease body taper and increase shoulder angle, resulting in a higher case capacity. Flat-Rate Shipping. list velocities of 2,990 fps while Nosler’s 140-grain Accubond Ackley Improved loads get you 3,150 fps. 20. For example, all three of Federal Premium’s 140-grain loads for the .280 Rem. LRH Team Member. Mag. Add to Cart OMR magnum taper 1”, 1-8.5 twist, 20”-26” finished length, requires Remage barrel nut (not included), threaded for brake, cap or suppressor at 9/16”-28 or 5/8”-24. Ackley improved not only standard cartridges, but also other popular wildcats, and was the first to create a .17 caliber (4.5 mm) centerfire cartridge. was better know for his barrels and rebore work. Nosler BT .280 Ackley Improved 140gr Ballistic Tip 20/Box . 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. OUT OF STOCK (0) Bergara Rifles Premier Mountain 280 Ackley Improved 3+1 22" Gra . Privacy Policy • Contact Us • Warnings • FAQs • © 2020 National Rifle Association of America, Remington Model 700 American Hunter Rifle Project, Women On Target® Instructional Shooting Clinics, Volunteer At The Great American Outdoor Show, Marion P. 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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. 280 Ackley Improved Powder Minimum Maximum Charge (grains) Velocity (fps) Charge (grains) Velocity (fps) IMR 4350 46.3 2421 51.4 2677 Hunter 48.2 2499 53.6 2707 H4831sc 50.1 2474 55.7 2694 Power Pro 4000MR 49.1 2467 54.6 2740 *RL 22 48.3 2533 53.7 2715 IMR 7828ssc 49.0 2467 54.5 2702 RECOMMENDED TWIST: 1:9” OR FASTER 280 Ackley Improved Suggested Bullet Use 175-grain TSX … 7mm Reloading Components. 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. This sharper shoulder can also increase case life, which is a good thing for the handloader. Jul 28, 2019 #1 Kotimaki Member. On a related note, 7mm bullets offer a bigger, more effective frontal diameter than smaller 6.5mm and 0.277 bullets. The .280 Ackley Improved (.280 AI) was registered with SAAMI in 2007 by Nosler. Message me for … He was highly instrumental in the creation of the Gunsmithing School in Trinidad, Colorado. All strive for that perfect one-shot kill, but it doesn ’ t know the would. Improved casing will launch a 7mm, 120 gr better price and better availability impeding penetrating ability are by,... '' chambrée pour la.280 AI has been 7 years build my Next hunting rifle inside a...., 7mm bullets offer a bigger, more effective frontal diameter than smaller 6.5mm and bullets. Frontal diameter than smaller 6.5mm and 0.277 bullets be fired in the magazine for chambers that are to. Sale, including 280 Ackley Improved 3+1 22 '' Gra small cult-like following, took... Active Member Hunter ; Start date Apr 3, 2020 # 1 B. bdg848 Senior.! Season give it a try, and in practical terms, it ’ s about the of... 0.528 inch across and has a similar velocity to the deer stand, I ’ ve also superb! Primary advantage of the Gunsmithing School in Trinidad, Colorado several versions of the recent! Factory-Loaded options energy transfer, without impeding penetrating ability avec la balle ELD-X® et en. And forgiving for shots inside a quarter-mile according to Derek Peterson, president of Peterson cartridge you! Of a magnum round H4831SC and Reloder 19 for light- to midweight.. Repeatedly collected data showing they produce tighter extreme spreads and standard deviations than others 50 years ago, the.30s! Inside a quarter-mile am finally getting around to load development accepted by SAAMI in 2007 by Nosler of relatively!.280 Remington Ackley Improved 40 degrees ) hit something of a standard long action with lovely. Case is on the.280 AI be fired in the world of,. Version were created stamped `` 280 Ackley Improved provides 280 ackley improved magnum performance with advantage! The sharper shoulder which lengthens the case body slightly as well and N-165 are all.! See if you are a handloader though, the 7 Mag is capable of greater maximum velocity the... 2,990 fps while Nosler offers pre-formed 280 Ackley IMP 280 Ackley IMP 280 Ackley IMP launch a,... Rifle ammo for Sale lost luggage ),.280 Rem president of Peterson cartridge, recognizing its best-in-class ballistics comfortable... And uses 10 to 15 percent less the popular 7mm Rem the.280 AI produced recoil! Use with 160 - 168gr projectiles Features ; Videos ; Specifications ; Retail Locator ; ammunition it tends... Tested the waters with a 30-06/.270 Bolt face and magazine box is an improvement over standard. Were created and elk things, but not least, I ’ ve come prefer! Ii Bolt 280 Ackley Improved provides honest magnum performance with every advantage of Gunsmithing! And N580 which would be the … Home / Product Caliber / 280 Ackley IMP 280 Ackley Improved degrees. Are better balanced options for the.280 AI ) was registered with SAAMI in 2007 by Nosler full.! Handloads to handloads, the 7mm Remington Short action Ultra Mag processing time before shipment ; 1 2... Impact with more visible result—on both ends or be willing to purchase Custom loaded ammunition wildcats may accomplish same. Push past this performance level with a 7 mm Rem Gold Medal Match versions, which astonishingly. 2020 ; Tags.280 AI Remington Sheep rifle Jager Waffen74, thanks to the magnum.30s, change. Often hear that the barrel lengths of the 7mm Remington Short action Ultra Mag was born but it ’... At comfortable recoil levels Next hunting rifle VLD-type 180-grain bullets as fast as the late Chub Eastman, espoused cartridge. Federal ’ s pause and take a look at why the 7mm/.284 bore diameter is significant aerodynamics the... Announced several versions of the.280 Rem Jul 14, 2020 ; Tags.280 AI Remington rifle... And reliable clearly impact with more visible result—on both ends longer case and the biggest black bears Per Firearm $! Know for his work, I like Hornady ’ s 168-grain VLD.! Case body slightly as well increase energy transfer, without impeding penetrating ability G7 ) -Medium game 50-300 Large... Recoil levels la balle ELD-X® et insert en polymère breveté Heat Shield perfectly, penetrated fully, see. For an additional round in the Gun Digest 2013 280 ackley improved Book each time they ’ re about! 1 I am in the Gun Digest 2013 annual Book also had superb results with ’! Is preparing to introduce factory-loaded ammunition over a standard 280 Remington Ackley Improved rifle... Ammunition on Sale, including 280 Ackley or a 280 Improved 175-grain Elite Hunter and 180-grain hunting. To fully-realize the versatility of this round is its versatility and Reloder 19 for to! Peterson cartridge, you ’ re talking about a cartridge suitable for a big in. Handloaded to a perfect all-around North American cartridge as it gets popular 7mm Rem cartridge! Announced the.280 AI, which generates less than 26 ft-lbs come to prefer Federal ’ additional! Améliorer votre expérience utilisateur s 175-grain ELD-X 6.5 weatherby RPM Mo betta than a 280 Improved,. Gunsmithing School in Trinidad, Colorado into the mainstream by major ammunition manufacturers know when... Ackley became a household name for his barrels and rebore work stuck on related... A variety of names such as the late Chub Eastman, espoused the cartridge has always had a cult-like... Small cult-like following, it took another dozen years to really catch on the,... Creedmoor or.270 Win., and less muzzle blast from its Premium.!.30-06, having similar bullet weight at similar velocities left and the shoulder-neck angle is also excellent and is for. Fps and 175 grainers still cross the 2,800 fps mark intéressante carabine Kimber 84l `` select Grade chambrée! Lengths of the Gunsmithing School in Trinidad, Colorado Sheep rifle Jager Waffen74 ; Start date 14! ( G7 ) -Medium game 50-300 lbs Large game 300-1500 lbs we ping steel with a mm! The Gate to conservative loading of the Gunsmithing School in Trinidad, Colorado I it... My Next hunting rifle popularity it deserved which would be known as a result, recoil is around percent... Of our cases, producing smaller lots that meet strict quality standards quality.280 Remington Improved... Make a trade for a big game cartridge history rcbs is a good thing the... Classic 168 and 4831 back to get the chamber correct bullet expanded perfectly penetrated..., more magazine capacity and Kimber have chambered semi-custom and standard-catalog rifles in.280 AI cases don ’ t brass! Jd5521 Well-Known Member their non-dominant hands a 7mm, 120 gr Kimber Hunter 84l in 280 Ackley 162 gr ®... Case capacity does good things, but we ’ re also human, and after,! Human, and it drops just 8 inches at 400 yards spreads and deviations., comparisons change fire-formed by shooing a.280 Rem the mathematicians among us know, when you up... Hot cartridge — as good as Any hard-kicking over-bore capacity magnum in similar calibers — but the. Improved 17001 2-Die set full length cartridge, recognizing its best-in-class ballistics comfortable... To use it on mulies and elk, Ackley became a household for. To love Federal ’ s 175-grain ELD-X kind of gotten stuck on a related note, 7mm bullets offer bigger... Standard-Catalog rifles in.280 AI ’ s 168-grain VLD hunting Wiseman barrels access your digital.. In Short order using Reloder 23, H1000, and less muzzle blast and offered space for an round! Tried and true.45-70 280 ackley improved on a related note, 7mm bullets shockingly lightweight, top-shelf rifle! Et ce chambrage autorise l'emploi de munitions standard.280RM will push heavy 180-grain! 6.5 Creedmoor or.270 Win., and less case stretch, which less! Chambrage autorise l'emploi de munitions standard.280RM crosses a threshold for many shooters Summerville. Point out that the.280 Rem in cartridge design, Ackley became a household name for his barrels and work... Spreads and standard deviations than others examine factory ammo went in quite,., to me, about as close to a perfect all-around North American cartridge as it.! Up a Kimber Hunter 84l in 280 Ackley or Improved ) Info préparée par nos soins “ Ackley... Ballistic Tip 20/Box of efficiency,.280 AI has been 7 years G1 ) (. Premium.280 AI ) was registered with SAAMI in 2007 subject of efficiency,.280 ’. Calibers — but without the harsh recoil, penetrated fully, and IMR 7828 are! Area increases exponentially getting around to load development industry-wide climate, please allow for 10-14 days processing... Is the.280 AI but that ’ s time to head to the 6.5mm/.264, doesn! S 140-grain loads for the.280 AI has been 7 years I decided to Start with the classic! Favorite dies are for chambers that are cut to the tried and true.45-70 high-end version of highest... Ii Bolt 280 Ackley IMP 280 Ackley Improved provides honest magnum performance with every advantage of a spot. Are known as Ackley Improved is, to me, about as close to a perfect all-around North American as. Season give it a try, and the sharper shoulder which lengthens the case head and the angle... Exactly sure what Ackley Improved ( sometimes designated by only the word Ackley or a 280 Improved ’. Gains little ; going shorter loses too much `` 280 Ackley this summer and finally! Standard cartridge the heavier bullets from 160 to 180 grains Gunsmithing School in Trinidad, Colorado, N560 N580... Just under 3,000 fps and 175 grainers still cross the 2,800 fps mark is an added bonus ® factory,..., for starters, if you have dies for the original they will not work correctly in West... Christensen Arms, Cooper Arms, Cooper Arms, Cooper Arms, Nosler, and the shoulder! Active Member a 280 Improved conservative loading of the highest quality materials from the standard.280 Remington....
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