280 ackley improved vs 30 06

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. Here’s why: 280 AI shoots 50 fps to 100 fps faster than the 280 Remington with the same bullets in the same standard-length actions. 280 Remington chambers can be easily converted to 280 AI.

Nosler Model 48 Action. Action and Bottom Metal Cerakoted Tungsten Grey. Trigger with 2 Position Safety. Carbon Fiber Mountain Hunter Stock in Granite Green or Shale Gray. 24” Sendero Light Contour, Carbon Fiber-Wrapped Cut-Rifled Barrel. 5/8x24 Threaded Muzzle. Glass and Aluminum Pillar Bedding. Hinged Floorplate.Patrick’s 6.5-06 rifle is a hefty, custom-made number, likely built for long-range bench work. It was built on a Remington Model 30 action with a heavy, 24-inch E.R. Shaw barrel. Using Hornady’s 123-grain SST and Western Powders, the best group resulted from 52 grains of Accurate 4350. This three-shot group measured .29 inch, center to center.I've got a .280 Ackley built by Accurate Ordnance with a 22" Brux 1-9" twist. It shoots the 160-168's fine. Haven't shot anything heavier. With RL-26 my load is at 2950 with the 160 Accubond and 2925 with the 162 ELDx. I messed with some H4831sc, and it was very accurate, but 100-150 fps slower across the board.280 Ackley Improved vs 280 Remington. DESIGN AND SPECIFICATIONS. The 280 AI is Ackley's version of the 280 Remington, a standalone cartridge based on the 30-06 Springfield case, necked down to accept .284-inch bullets. Necking down the cartridge allows for a wide range of bullet choices that are often ballistically superior.A space hotel that looks like a ferris wheel is planned to open in 2027, and it will cost a whopping $5 million for a three-night-stay. By 2027, “social distancing” will hopefully ...The 6.5-06 is about the same as the 6.5×284 Norma, ballistics wise, but the 6.5-06 AI has a slight velocity advantage over them. With a 26″ barrel, the 6.5-06 AI would give me an additional 100-200 fps which would be very beneficial in down range energy. In the end I decided that the 6.5-06 AI was the rifle I wanted to build.The 30-06 case is not that long, but the 06 AI case. adds another 10% of available powder space, and a possible boost of 5-15% extra velocity with the same bullets. like 165s and 180 grainers. Again, depending on the rifle. Etter used a 22-in barreled M-700, indicating a tight chamber to get his results.

So, Campfire friends, that's the story of the 6.5-.280 Ackley. It is a superb round. Frankly, my work with my Gordy Gritters 6.5-'06 Ackley proved it to be fully equal to the 6.5-280 Ackley. If I were to chose between the rounds, I would go for the 6.5-'06 Ackley because dies are easier to obtain and the choice of brass (.25-06) is far superior.30-06 Springfield Ackley Improved Load Data. 125 Grain. 150 - 155 Grain. 165 - 168 Grain. 175 - 180 Grain. 200 Grain. 220 Grain. Explore the world of Nosler, renowned for crafting the finest bullets, ammunition, rifles, and brass. Discover our extensive lineup, including Partition, AccuBond, E-Tip, Ballistic Tip, Custom Competition, and more.As far as deer cartridges go, the .280 Ackley Improved (AI) is not as well known as the time-honored .30-06, but perhaps it should be. It gives the 7mm …The 7mm PRC does offer higher velocity figures—running at a higher pressure—though many feel that the 7mm Remington Magnum has plenty of velocity. The PRC is most certainly a better choice as a long-range target cartridge; I had the opportunity to use the cartridge in a Remington Model 700 at the FTW Ranch in Barksdale, Texas, …With the development of Terminal Ascent ammunition, Federal took the TLR concept to the next level. Terminal Ascent is loaded in a variety of calibers, and I chose three chamberings based on the rifles I had available: 130-grain 6.5 Creed-moor, 136-grain .270 Winchester, and 155-grain .280 Ackley Improved. I used three very accurate rifles for ...The .325 WSM is as much of a pain in the ass as the rest, but it fills a void between the .30/06 and the .338. It’s a useful cartridge, and is underrated rather than overrated. 4. The 7mm ...

Mar 6, 2023 · However, many reloads will choose the 30-06 for its wider array of bullet weights. In terms of energy, the 30-06 is a more powerful cartridge at ranges inside of 500 yards however, the 280 does eventually overtake the 30-06 in energy. So if you need a heavy hitting cartridge for game such as elk or moose the 30-06 is the better choice. I've got a .280 Ackley built by Accurate Ordnance with a 22" Brux 1-9" twist. It shoots the 160-168's fine. Haven't shot anything heavier. With RL-26 my load is at 2950 with the 160 Accubond and 2925 with the 162 ELDx. I messed with some H4831sc, and it was very accurate, but 100-150 fps slower across the board.A. The .30-06 Ackley Improved is a wildcat cartridge formed by firing a .30-06 Springfield cartridge in a rifle that has been chambered or re-chambered for the "improved" version. Upon firing, the case "blows out" to conform to the new, enlarged chamber. The new dimension has a reduced body taper and increased shoulder angle compared to the ...

West palm beach fl night clubs.

One of P.O. 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. Soon after the .280 Remington came out, Fred Huntington reformed its case to an improved configuration with minimum body taper, a 35-degree ...Jan 14, 2020 · Here’s a look at the top 10 elk cartridges ever made. 1. .243 Winchester. Many would consider the .243 Winchester too anemic for elk, but a cartridge like Hornady’s 90-grain ELD-X is capable of 3150 fps at the muzzle with 1,983 ft.-lbs. of energy and has proven itself effective with ideal shot placement. It’s an especially good option for ... PHoto shows 308 family of cartridges including 7mm-08, 260 Rem, and 243 Win. none of which are recommended for Ackley Improved. 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. I’m afraid I don’t …614. Mar 19, 2017. #12. In a mountain rifle the smaller the bore the better IMO barrels are a bit less whippy. A stated its hard to beat the 30-06 for versatility not so many factory loads for the 280 rem. Darn nice cartridge though. Good luck and shot straight. Bob.Note: We were at a safe location following all safety rules! Today on Alaskan Ballistics we're comparing the .280 Ackley Improved vs. the 7mm Remington Magnu...

Aug 11, 2013 · The 6.5-06 does not give the advantage of heavier bullets or the velocity of the 130s the 280ai will blow the 6,5 away. and gain is in the 6-7% range based on the reamer. i have had great results with the 280ai 140- at 3140 and 160's at 2975 out of 24 inche bbl Bob. Pros for 30-06: Lots of ammo selections, easy to get practically anywhere, less expensive, heavier bullet selections. Cons: Slightly more recoil, not as flat shooting. Pros for 280 AI: flatter shooting, slightly softer recoil. Cons: expensive ammo, less ammo selection, not as readily available. The pros/cons list pushes me towards 30-06 but I ...Jan 20, 2017 · Keep in mind the Sherman holds 2-3g more powder. I push the 181g Hammer at 3027 FPS and the 180 accubond at 3100 FPS. The Ackley version should get the 168 to 3100fps. If you go down this road buy Peterson 280AI brass and run it thru a 30cal expander. You will have way better results than standard 30-06 cases. 280AI for the win. My father shoots a 280 Remington and it's the best of both worlds in my opinion. As has been said, heavier bullet weights than the 270 and with the higher sectional density, all things equal better long range performance than a 30-06 or 30-06 AI.Shot them most of my life or been around them. 6.5-06 ack 6mm ack 6.5-280 ack 30-06 ack. My favorite was the 6.5-280 ack easier for the dies simply buy a 280 ack bushing die and get the right bushings. The brass life is better and no stretching. I say build off of the 280 ackley brass its already blown out makes it very nice.30-06 Springfield; 30-30 Winchester; 30-378 Weatherby Magnum; 308 Norma Magnum; 308 Winchester; 325 Winchester Short Magnum; 33 Nosler; 338 Lapua Magnum; ... 280 Ackley Improved Load Data; 280 Ackley Improved Load Data. 120 Grain; 140 Grain; 150 Grain; 160 Grain; 168 Grain; 175 Grain; 185 Grain; NOSLER. Home; Our Story; Forum;In general, cartridges under 2.8″ in overall length are considered short action. Cartridges between 2.8″ and 3.6″ are long action, and cartridges over 3.6″ require a magnum action. However, there are …Location. Hollywood, Florida. Jan 3, 2021. #11. elkaholic said: Your neck will be way short using '06 brass. The 280 is .046" longer. Break out your measuring tool and dial up .046 . Just like over trimming .280 brass.Nov 25, 2019 · There are a number of well-known AI cartridges, with the .30-06, .257 Roberts and aforementioned .280 Rem parent cases being some of the best examples. A lesser-known cartridge was the .228 Ackley Magnum, developed by PO Ackley in 1938, although the idea came from around 1936 and was one of his first wildcat designs.

Jul 16, 2023 · The 280 ackley improved and 270 cartridges bring their own distinct characteristics to the table. The 280 ai boasts impressive ballistic performance, while the 270 excels in its trajectory and wind drift capabilities. Comparing their muzzle velocity and energy, the 280 ai holds the advantage. However, when it comes to recoil and perceived ...

In addition to being a famous gunsmith, barrel maker and college professor, P.O. Ackley absolutely ruled the roost when it came to creating wildcat and improved cartridges. One of his earliest was the 7mm-06 Improved, which was formed by necking down the .30-06 case and fire-forming it to less body taper and a 40-degree shoulder angle.$72.99. Who’s Ackley and What’s Been Improved? The round’s name pays homage to renowned cartridge designer and ballistician P. O. Ackley. His improvements …The 30-06 Ackley Improved has been a controversial caliber since its introduction in the late 40s-early 50s. PO Ackley felt it a good cartridge that tailgated the 300 H&H with slow powders and heavy bullets. However, it depends on the individual rifle. The early days of the 30-06 Improved had very few chronographs to confirm velocity …Hornady 30-30 LE 2400 fps/2046 ft-lbs (muzzle) 1916 fps/1304 ft-lbs (200 yds) We want to compare data for the Ackley-Improved above to that of the Hornady LE. At the muzzle, the AI wins by 128 ft-lbs. No deer are shot at the muzzle. Check the 200-yard figures, however, and the situation is reversed.In the mid-20th century Mr. P.O. Ackley created an improved version of the 30-06 that to this day bears his name. P.O. Ackley took most of the taper out of the 30-06 case (commonly referred to as “straightening the case”) and pushed its gently sloping shoulder angle to a radical 40-degrees. That increased the case’s powder capacity about ...May 9, 2023 · Comparing the price of the factory ammunition for the two cartridges, the .280 Ackley Improved tends to be a bit more affordable. Additionally, cases for the .280 Ackley Improved can be made from common .30-06 Springfield brass, by necking it down to .284-inch, and then fire-forming with a light powder charge. Oct 3, 2006. 1,602. 0. According to Nosler's 5th edition manual, both test rifles used had 24" barrels. Some of the fastest loads in both were 2985 for 06 improved with RL-22 and 3118 with RL 22 for the 300 win mag. You should be close with a 26" barrelled 06 ai. Aug 23, 2008. #3.

Nonsense 10 letters.

Adam doleac setlist.

7mm SAUM vs 280 Ackley Improved (280AI) Thread starter St. Michael's Armory; Start date Nov ... or actually straight .280, and neck it to run Lapua 30-06 brass. It leaves the brass window wide open and slick feeding is a given. ... I run the 7 Sherman Short which is basically an 7 saum ackley. It is stupid simple to load up a 180 vld and …These days I'd still go with a similar NULA (the .30-06 has a #2 contour 24" barrel) but might go with the .280 Ackley Improved. It basically gets .30-06 muzzle velocities with the same-weight bullets, but the 7mm bullets have somewhat higher ballistic coefficients, so drift less in the wind.At least two blown-out versions — meaning the walls are straightened and shoulder is pushed forward — are fairly popular. The 6.5 Gibbs reportedly reaches 3,325 fps with a 120-grain bullet, and the 6.5-06 Ackley Improved hits 3,100 fps. Descendents of the .30-06 are numerous because so many rifles are available in .30-06 action lengths..30-06 Sprg..270 Win..308 Win. 6.5 Creedmoor.280 Ackley Improved • Weight: 7.65 lbs in Long Action / 7.0 lbs in Short Action • Magazine/Capacity: Hinged Floor Plate 4 in Standard, 3 in Magnum • Trigger: Timney® 510 Curved • Barrel Length: 22” in Short Action, 24” in Long Action • Barrel Taper: #3 • Action: Bergara Premier Long ...Like its parent cartridge, the 7mm-08 Remington works perfectly in a short-action rifle, and inherited the .308’s accuracy. The 7mm-08 Remington shares the same 20-degree shoulder angle and datum line of the .308 Winchester, but the case measures 2.035 inches versus the .308’s 2.015 inches. Much like its father, it performs best with ...The results verified that the extra case volume really does give the Ackley version a discernable edge over the standard .30-06 in a 600mm barrel. This agreed closely with what some other experimenters have achieved. Velocities were: 3200fps with the 150gn bullet, 3100 with the 165gn, 2950fps with the 180gn and 2800fps with the 180gn.The older wildcat has several names including 280 Ackley Improved 40°, 280 Rem Improved 40°, 280 Imp 40°, 280 Ackley, 280 Rem Imp, and more. 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.May 15, 2021 ... 280 Ackley Improved vs 270 Win | Ballistics Comparison The 280 Ackley Improved or 280 ... 280 AI was ... Is 30-06 Really as Versatile as They Claim?Ammunition costs between the two cartridges are similar, but manufacturers often offer cheaper options in the .300. Federal’s Trophy Copper .300 Win. Mag. is $66 for a box of 20 while their .280 AI is $70. But Federal also offers eight times more .300 Win. Mag. options than .280 AI, some of which cost significantly less.The godfather and namesake of the cartridge is wildcatter Parker Ackley, who recognized the value of the .280 Remington, introduced in 1957 by Remington, which was hoping to have the same success with a 7mm cartridge that Winchester had enjoyed by necking down the .30/06 to .270. The .280 Rem. never really caught on, probably because the wildly ...The 30-06 Ackley Improved has been a controversial caliber since its introduction in the late 40s-early 50s. PO Ackley felt it a good cartridge that tailgated the 300 H&H with slow powders and heavy bullets. However, it depends on the individual rifle. The early days of the 30-06 Improved had very few chronographs to confirm velocity …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. The true beauty of this round is its versatility. For chasing antelope or predators, 120-grain bullets like the ballistic tip scream along at nearly 3,400 fps and drop only 5 inches at 300 yards. ….

Microsoft and Snap recently announced the integration of Snapchat Lenses for Microsoft Teams and the 280 million users who use the collaboration platform every month. Microsoft and...These are the finalists that make the short list of all-around rifle cartridges: .270 Winchester, 7mm Remington Magnum, .308 Winchester and .30-06 Springfield. Each of these are well covered in my series of articles on centerfire rifle cartridges and I recommend reading those articles for more information about the history, ballistics and ...280 Ackley Improved vs 280 Remington. DESIGN AND SPECIFICATIONS. The 280 AI is Ackley's version of the 280 Remington, a standalone cartridge based on the 30-06 Springfield case, necked down to accept .284-inch bullets. Necking down the cartridge allows for a wide range of bullet choices that are often …The 30-06 AI performs. individually, depending on the individual rifle. Mine is accurate, gives extra velocity, and reaches the goals set for it. It gives up very little within 150 yds to the 300 magnums, and uses less powder-while requiring less case trimming. It is quite a custom 98 rifle.Comparing the price of the factory ammunition for the two cartridges, the .280 Ackley Improved tends to be a bit more affordable. Additionally, cases for the .280 Ackley Improved can be made from …The .280 Remington retains the same 17-degree 30-minute shoulder of the .30-06 but uses the 2.54-inch case of the .30-03 Springfield. It will offer a velocity advantage of about 300 fps or so over the 7x57mm Mauser with most bullet weights, and the most popular choice for the .280 Remington seems to be the 140-, 150- and 160-grain slugs.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. Aside from its stellar ballistic credentials, the 280 AI is a common, easily obtainable, standard-length (30-06-length) cartridge. It's also a 30-06 rim-size.Ackley wildcats, such as the .30-06 Ackley Improved, feature increased case capacity and provide superior ballistics. Plus, standard factory loads of the parent cartridge can be fired in an AI-chambered rifle. The most prolific creator of wildcat cartridges was P.O. Ackley. During the 1940s and ’50s, he developed an extensive portfolio that ...Beta webapp 280 Slides edits and shares PowerPoint-like presentations online. 280 Slides' interface is polished and rich; you can try it out without signing up as a user. Create br... 280 ackley improved vs 30 06, Improved rounds like the .280 Ackley (c.) have less case stretch, increased integrity and better powder burn than cartridges such as the .30-06 (l.) and .300 H&H (r.) November 07, 2023 By Joseph von Benedikt, Some will get you close, and some will be so far off, you'd think you have a bent barrel, so as far as load data, you're best off to do your own load data based on the reloading manual for the brand of bullets you choose to shoot. Manuals aren't that expensive, only around $20-35 each. .280 Ackley Improved is an excellent cartridge, …, , PHoto shows 308 family of cartridges including 7mm-08, 260 Rem, and 243 Win. none of which are recommended for Ackley Improved. 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. I’m afraid I don’t have encouraging ..., Like its parent cartridge, the 7mm-08 Remington works perfectly in a short-action rifle, and inherited the .308’s accuracy. The 7mm-08 Remington shares the same 20-degree shoulder angle and datum line of the .308 Winchester, but the case measures 2.035 inches versus the .308’s 2.015 inches. Much like its father, it performs best with ..., Apr 20, 2019 · PHoto shows 308 family of cartridges including 7mm-08, 260 Rem, and 243 Win. none of which are recommended for Ackley Improved. 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. I’m afraid I don’t have encouraging ... , Ammunition costs between the two cartridges are similar, but manufacturers often offer cheaper options in the .300. Federal’s Trophy Copper .300 Win. Mag. is $66 for a box of 20 while their .280 AI is $70. But Federal also offers eight times more .300 Win. Mag. options than .280 AI, some of which cost significantly less., Like its parent cartridge, the 7mm-08 Remington works perfectly in a short-action rifle, and inherited the .308’s accuracy. The 7mm-08 Remington shares the same 20-degree shoulder angle and datum line of the .308 Winchester, but the case measures 2.035 inches versus the .308’s 2.015 inches. Much like its father, it performs best with ..., PHoto shows 308 family of cartridges including 7mm-08, 260 Rem, and 243 Win. none of which are recommended for Ackley Improved. 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. I’m afraid I don’t …, The 30-06 is a fine round and tough to beat as a do all cartridge. The advantage of the 280 AI is the better selection of high BC bullets, slightly lower recoil and …, Mar 6, 2023 · However, many reloads will choose the 30-06 for its wider array of bullet weights. In terms of energy, the 30-06 is a more powerful cartridge at ranges inside of 500 yards however, the 280 does eventually overtake the 30-06 in energy. So if you need a heavy hitting cartridge for game such as elk or moose the 30-06 is the better choice. , 30-06 Springfield; 30-30 Winchester; 30-378 Weatherby Magnum; 308 Norma Magnum; ... 280 Ackley Improved Load Data; 280 Ackley Improved Load Data. 120 Grain; 140 Grain;, Aug 28, 2020 · 2. .280 Ackley Improved. The .280 Ackley Improved is the ideal all-around western big game cartridge. Aram von Benedikt. Snow fell silently at 12,500 feet, dusting the pines with white. Vapor blew from a big bull elk’s nostrils, swirling with the falling snow, as he stared across my hidden meadow. , Jun 11, 2017 ... In a saami spec .280 Ai chamber you will have all sorts of issues unless your chamber is setup to use 30/06 brass. Khgs on this forum told me I ..., The .270 Winchester, .270 WSM, .280 Ackley Improved, .30-06, and .300 WSM Mountain Ascents have 24-inch barrels. The 7mm Remington Magnum and .300 Winchester Magnum rifles have 26-inch barrels. The rifle's technical specs and camo-finished synthetic stock looked intriguing, and I succumbed to temptation and ordered …, The .280 Ackley Improved has long been a favorite round among handloaders, but it has only recently started to break into the mainstream shooting market. There are no doubts about the merits of the round and its long-range capability nor its potential as an all-around cartridge for big game, and it is a perfect match for light mountain rifles ..., This question is about the Destiny Mastercard® @CLoop • 06/30/22 This answer was first published on 03/21/22 and it was last updated on 06/30/22.For the most current information ab..., The .280 Ackley Improved might not be the newest or fastest cartridge out there. But the following characteristics make it one of the best options for Western big …, I have a 30-06 and a 280 AI and if it were me I would consider one of those two cartridges. There is no dust on the 30-06 and it is a performer on game. Same to be said for my 280 AI. I used to have a 280 Remington and loved that cartridge. The 280 AI is just a bit more potent. Both are great. Nosler does make really good brass for the 280 AI., Comparing the price of the factory ammunition for the two cartridges, the .280 Ackley Improved tends to be a bit more affordable. Additionally, cases for the .280 Ackley Improved can be made from …, The last disadvantage of most improved cases is lack of pressure tested loading data. While a few improved rounds have been popular enough to interest the major bullet and powder companies that publish most loading manuals, they are few, generally limited to the .22 K Hornet and the .257 Roberts, .280 Remington and .30-06 Ackley Improved., Fred's version had a 30-degree shoulder angle and held a pinch more powder than the 7mm-06 Ackley Improved. Cases were more easily formed by firing .280 Remington factory ammo in the improved chamber, so Ackley eventually abandoned his wildcat on the .30-06 case and started chambering rifles for Huntington's cartridge but …, 280 Ackley Improved vs 280 Remington. DESIGN AND SPECIFICATIONS. The 280 AI is Ackley's version of the 280 Remington, a standalone cartridge based on the 30-06 Springfield case, necked down to accept .284-inch bullets. Necking down the cartridge allows for a wide range of bullet choices that are often …, Mar 14, 2024 ... The guys discuss the history, design, and value of the 280 Remington and 280 Ackley Improved. ... 107 - 25-06 Rem ... 7mm PRC vs 280 AI. Reloading ..., Dec 11, 2021 · A 168 or 175 grain bullet out of the 280 AI can be pushed meaningfully faster than a 210 gr. bullet out of a 30-06. Those bullets compare pretty close with respect to sectional density and the ballistic coefficients favor the 7mm. , 2. .280 Ackley Improved. The .280 Ackley Improved is the ideal all-around western big game cartridge. Aram von Benedikt. Snow fell silently at 12,500 feet, dusting the pines with white. Vapor blew from a big bull elk’s nostrils, swirling with the falling snow, as he stared across my hidden meadow., The .280 comes more into it's own when handloaded to the same pressures as the .270 adheres to. Now, the .30-06. This is the Classic cartridge, neh parent, that spawned the .270, and .280! When it started as a new cartridge, it shot 150 gr bullets at just under 2800 fps., 1. .243 Winchester. Many would consider the .243 Winchester too anemic for elk, but a cartridge like Hornady’s 90-grain ELD-X is capable of 3150 fps at the muzzle …, 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. The true beauty of this round is its versatility. …, Feb 1, 2022 ... Is the 280 Ackley Improved ... 280 Ackley Improved vs 7 SAUM: Two of the ... Ackley Enfield | Remington 1917 Sporter Chambered in .30-06 Ackley ..., 280 Ackley Improved: Cartridge Type: Rifle: Case Material: Brass: Pack Quantity: 50: Ship To Store. Free Shipping. Est. Pick Up - May 16th. In Midvale, UT. ... Nosler 30-06 Springfield Reloading Rifle Brass - 50 Count. Nosler. Notify Me When In Stock Online. Add No thanks. 15 of 24. Price: $84.99 Item# ..., That’s 8 grains (12.6 percent) more than the .280 Remington and 7.5 percent greater than the .280 Improved. Sundra essentially created a cartridge similar to the 7mm Gibbs but with a longer neck and a shoulder angle that is a bit less sharp. Hornady 139-grain Spire Points at roughly 3,000 fps provided good groups from the 7mm JRS test rifle., Nov 21, 2018 · Ackley reduced the original cartridge’s body taper and changed the shoulder angle to 40 degrees, which allowed for greater case capacity. This new wildcat, which became known as the .280 Ackley Improved 40-Degree Shoulder, beat .280 Rem ballistics by about 100 fps, which gave it energy and trajectory figures that nipped at the heels of the ...