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. This makes the 280 AI suitable for various applications, from long-range target ...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.The .280 Remington retains the gradual taper and gentle shoulder of the .30-06, and even with the best loads will lag a bit behind the 7mm Remington Magnum. However, it was introduced in a different time, when the ascendancy of the bolt action wasn’t as clear as it is today. So although this seems very odd, Remington actually introduced the ...In my experience, the .280 AI generates nearly as much velocity as the popular 7mm Rem. Mag. and uses 10 to 15 percent less powder to do so. As a result, recoil is around 5 percent less. Remember, …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.The .280 Ackley Improved is a more efficient cartridge. 150 fps faster & 100 fpe more than a .280 Rem, and 150 fps slower, and 100 fpe less than a 7mm RemMag. ... 280 Ackley vs 7mm Rem. Strokerace_dave; Mar 10, 2009; 2 3. Replies 36 Views 75K. Jan 4, 2015. Shootin4fun. S. R. 280 ackley. russell523; Dec 21, 2014; 2. Replies 15 Views …One of the greatest wildcat cartridges ever made, the .280 Ackley Improved was developed by the legendary P.O. Ackley after he added a 40-degree shoulder to Fred Huntington’s .280 RCBS Improved. Since its inception in the late 1950s, the cartridge has continued to pick up steam among big-game hunters, especially those …280 could be the new 140. Twitter is mulling an amendment to one of its claims to fame. On Sept. 27 the company’s official account tweeted that it will experiment with increasing t...Because of the higher velocity, the 6.5 PRC has a definite advantage in the energy department, delivering 300 to 400 ft-lbs. more than the Creedmoor at any given range. If you want to use a 6.5mm cartridge for larger species like elk in addition to deer and antelope, the PRC makes perfect sense. If you want a cartridge for whitetails and mule ...Its claim to fame is that it achieves 7mm Rem. Mag. performance with substantially less powder, less recoil and less barrel wear while providing more magazine capacity. For the handloader, one of the most significant benefits is that improved cartridge cases exhibit far less case stretch when fired. This is primarily due to the very steep ...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. Mag. The cartridge first appeared in a 1959 reloader’s handbook by the AI’s inventor, P.O. Ackley.The 9.3x62mm is the older, and smaller of the two cartridges. Designed by Otto Bock in 1905, the rimless cartridge has a visual similarity to the earlier 7x57mm and 8x57mm cartridges, if there are slight dimensional differences. Bock’s brainchild uses a .366-inch-diameter bullet, and a case length of 2.441 inches, or 62mm.Factory data has it exiting the muzzle at 2,850 fps, just 90 fps slower than the same bullet in Hornady’s 7mm Remington Magnum ammo. 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.The 7mm Remington Magnum, 28 Nosler, and 7mm PRC all use the same .284″ bullet size as other popular 7 mm cartridges like the 7mm-08, 280 Remington 280 Ackley Improved, 7mm SAUM, 7mm WSM, 7 mm STW, and 7mm Weatherby Magnum (among others).Spinny, a Gurgaon-based startup that operates a platform to facilitate the purchase and sale of used cars, is the latest firm to become a unicorn in the world’s second-largest inte...Our Pick: 140-Grain Trophy Copper 280 Ackley Improved Velocity at 500 Yards: 2165 fps Energy at 500 Yards: 1457 ft.-lbs. Drop at 500 Yards (200-yard zero): 36 …SHOW NOTES. Meet the 6.8 Western: Browning's new high-performance, high-efficiency .270 magnum. This is the cartridge that host JvB used for a solo, drop-camp Alaska caribou hunt during September 2020. 1:7.5 rifling twist rate Engineered for efficiency and consistency True short-action magnum cartridge Optimized for heavy, high-BC …Jun 23, 2023 ... Welcome to Ron Spomer Outdoors! In this video, we delve into the ongoing debate on whether the 7mm PRC is really better than the 7mm ...Fred Huntington, founder of RCBS, developed the .280 RCBS by blowing out the body taper of the .280 Remington and changing the shoulder angle to 35-degrees. P.O. Ackley, the famous gunsmith …#2 – 7mm Remington Magnum. The 7 RM is an exceptionally well-balanced cartridge. It posts excellent ballistics without being too punishing on the shooters shoulder. While I tend to favour the 280 Ackley Improved for similar applications, at this point ammo availability has made the 280 AI more of a handloaders venture. The 7 RM enjoys ...An Ackley version of the 280 is becoming the hot new property in 7mms. The 280 AI (Ackley Improved) adds about 100 fps to the 280 Rem. In most AI chambers 280 Rem. ammo can be safely fired, too. The brass flows to the new dimensions and can thereafter be reloaded again and again. Factory rifles and loads are becoming more …Factory data has it exiting the muzzle at 2,850 fps, just 90 fps slower than the same bullet in Hornady’s 7mm Remington Magnum ammo. 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.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 ... What We Covered. 1) History of the 270 Winchester, 280 Remington, 280 Ackley Improved, and 7mm Remington Magnum cartridges. 2) How the cartridges compare to each other in terms of external dimensions, trajectory, recoil, and accuracy. 3) Comparison ammo and rifle choices in each cartridge. 4) Pros and cons of hunting with each cartridge.By Ron Spomer. As sometimes happens in the world of rifle cartridges, the 280 AI (Ackley Improved) is becoming more popular than its parent, the excellent 280 …Now let’s talk about another area we need to discuss as it relates to ballistics: bullet caliber and bullet weight. The .270 Winchester uses .277″ bullets while the .280 Remington, .280 Ackley Improved, and 7mm Remington Magnum all use slightly larger .284″ bullets.The 6.5 PRC, .280 Ackley Improved, 6.8 Western, and other new big game cartridges offer similar ballistics and performance to the .270 Winchester, and all have been prophesied to replace O’Connor’s favorite cartridge. ... The Terminal Ascent line now features the brand-new 7mm PRC which will prove to deliver devastating terminal …280 Ackley Improved; 30-06 Springfield; 300 WSM; 6.5 Creedmoor; 6.5 PRC; Who Should Buy This Gun. I know this is an expensive gun, but for a $1200 gun, it looks, feels, and definitely shoots like a much more expensive gun. In the end, this gun is not for the hyper-budget conscious, as it is a bit pricey. It is a step up from what a lot of ...Aug 25, 2011 · Re: .280 Ackley Improved any better than other 7mms? If I had to do it again. I may have gone with an 280AI or 7mm-08 to start with instead of a 7mm WSM, because of having more complete powder burn for a shorter barrel. But then the grass is always greener on the other side. On the other hand the extra velocity of the 7mm WSM is nice. Jimmy and Mark chat with cartridge-man, Ryan Muckenhirn, about a series of cartridges with one of the most iconic silhouettes - the sharp-shouldered Ackley I...The recoil of the 7mm PRC produces 27.7 ft-lbs of energy at a recoil velocity of 14.1 fps. That is more recoil than a .30-06 but less than a .300 Win Mag. It is on the upper end of what most large adult shooters can comfortably tolerate.This episode dives into the cutting-edge 7mm PRC and the legendary .280 Ackley Improved. We compare accuracy potential, long-range capability, recoil levels, efficiency and barrel life, versatility with various bullets, downrange potency, appropriate rifle actions, magazine capacity and follow-up shots, ammunition and rifle availability, and more.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 ...Mar 13, 2009 · Mar 10, 2009. #3. I prefer the 280 AI, as you get close to the same velocities as the 7mm rem but with much less recoil and better barrel life. Also it is my opinion that the 280 AI is MUCH less finicky than the 7mm rem. Better accuracy potential, better life, less recoil more than makes up for a few FPS the 7mm rem may offer. The 280 Ackley Improved Ammo will offer 100 extra fps with an equal barrel length than the 280 Remington with a 140-grain bullet. The real advantage of the 280 Ackley Improved Ammo lies in its versatility. When you’re chasing antelopes or predators, 120-grain bullets are pretty effective for a clean kill at nearly 3,400 feet per second. The .280 Remington was introduced in 1957. Various sources suggest that Remington engineers were interested in creating a high powered 7mm cartridge for several years before reaching their long term goal. The resulting cartridge was based on the .30-06 case necked down to 7mm (.284”). Although the 7mm-06 wildcat had been in existence for ...The Ackley represents a nice middle ground, the distinctive 40-degree shoulder angle allows for ample powder capacity, but it burns efficiently, producing …To answer some of the questions on why I narrowed it down to only those two calibers. The .270WSM or WIN is a great cartridge, but very limited grain weight choices compared to the 7mm's. No complaints on the 7mm-08 either, however my shooting range is out to 500 yards and would like a little more velocity than the 7mm-08 …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 ... Because of the higher velocity, the 6.5 PRC has a definite advantage in the energy department, delivering 300 to 400 ft-lbs. more than the Creedmoor at any given range. If you want to use a 6.5mm cartridge for larger species like elk in addition to deer and antelope, the PRC makes perfect sense. If you want a cartridge for whitetails and mule ...The RPM drives a 140-grain bullet at 3050 fps, giving a near-identical trajectory to the 6.5 PRC. The rebated rim poses no more of an issue in the 6.5 Weatherby RPM than it does in the .284 Winchester or 6.5-284 Norma, the 35-degree shoulder gives good headspacing and the RPM shares the .473-inch case head of the .30-06 and 7mm …The 7 SAUM and .280 Ackley Improved are both very popular 7mm cartridges, but which one is the ultimate hunting and shooting cartridge? Find out in this epi...The Hayabusa2 caught its own outline as it deployed the MASCOT lander on the Ryugu asteroid 174 million miles away from Earth. Japan’s Hayabusa2 probe, traveling through space alon...The 7mm bullets are one of the few that can rival the .30 caliber range, and there are those who feel the Sectional Density of the 7mm bullets will surpass the potential of the .30 caliber slugs. In spite of all that, the 32-year head start that the .270 Winchester had made a huge difference in sales, and the .280 never really took off.The 7mm-08 hits this minimum at 865 yards, the 280 Remington does it at 920, and the 280 AI does it at 965 yards. The rest were above the threshold out to the 1000 yards I ran the test data for. Based on other test data, I suppose the PRC will be the winner here, but as I'm not a long-range hunter, all of the cartridges meet the minimum specs ...Spinny, a Gurgaon-based startup that operates a platform to facilitate the purchase and sale of used cars, is the latest firm to become a unicorn in the world’s second-largest inte...240 wby mag, 243 win, 257 wby mag, 270 win, 280 ackley improved, 30-06 sprg, 300 win, 308 win, 6.5 creedmoor, 6.5 wby rpm, 7mm rem, 7mm prc 7 reviews for Model 307™ MeatEater Edition Rated 5 out of 5Authorities in Rome are cracking down on tourists sitting down on the Spanish Steps, fining people up to $280 each for the offense. Wandering around Rome can be exhausting, especia...A good friend is a huge ackley fan. Many .260 and .280 ackley rifles including a scout rifle in 280AI . His 1st Elk was at 702 taken with 280AI @3000 FPS with Berger 168gr Classic Hunter and R26. One and done. Another hunter in camp also ran a 280AI w/ same load and took his bull at 340y. 1 shot.LVJ76 said: Shootallday, at the ranges you'll be hunting there is no need for a 280AI. I have used the 280 Rem and really liked it but always kept going back to the 7mm-08. I've been using the 7mm-08 for a long long time and it kills good out to 500+ yds, paired with thw right bullet for the game you are hunting and you are set.more overbore 7mm magnums on the market. The parent case for the 7mm PRC is the 375 Ruger. The case length has been shortened to 2.280", but retains the same .532" diameter, non-belted case, and the 30° shoulder that is found on all Precision Rifle Cartridges. Reloading the 7mm PRC can produce amazing accuracy and consistency. ForThe 7mm-08 hits this minimum at 865 yards, the 280 Remington does it at 920, and the 280 AI does it at 965 yards. The rest were above the threshold out to the 1000 yards I ran the test data for. Based on other test data, I suppose the PRC will be the winner here, but as I'm not a long-range hunter, all of the cartridges meet the minimum specs ...Jimmy and Mark chat with cartridge-man, Ryan Muckenhirn, about a series of cartridges with one of the most iconic silhouettes - the sharp-shouldered Ackley I... Head to Head: 6.5 PRC vs. .308 Winchester. We put two short-action gems up against one another: the .308 Winchester, a time-proven veteran with 70-plus years of hunting experience, and the 6.5 PRC, a relative newcomer that is quickly gaining favor in the hunting fields and target range. News, Head To Head. Jun 25, 2022 ... The 7PRC is coming soon, but I think they may have missed an opportunity here to use an exciting case and just change the bore diameter.Spinny, a Gurgaon-based startup that operates a platform to facilitate the purchase and sale of used cars, is the latest firm to become a unicorn in the world’s second-largest inte...The muzzle has been threaded and capped, should the use prefer to install a brake or suppressor. The 110 Ultralite is offered in .308 Winchester, .270 Winchester and .30-06 Springfield, as well as .280 Ackley Improved, 6.5 Creedmoor, 6.5 PRC and the new 7mm PRC. MSRP: $1,649; savagearms.com. 2. Browning X-Bolt Mountain Pro TungstenSep 27, 2023 ... 0:00 Intro 3:01 28 Nosler vs 7mm PRC vs 7mm Rem Mag Cartridge History & Development 13:58 Cartridge Sizes 20:47 Trajectory & Kinetic Energy ...Aug 16, 2021 ... To learn more about popular hunting calibers like the .270 Winchester, .280 Remington, 280 Ackley Improved and 7mm Remington, ...The new 7mm PRC is not the fastest 7mm; 28 Nosler, 7mm Shooting Times Westerner (STW), and 7mm Remington Ultra Mag (RUM) are faster. Two things: First, …Wondering how much it costs to send your child to Primrose Schools? We explain the tuition rates and other costs to expect at Primrose Schools. Jump Links Tuition at Primrose Schoo...Today we're comparing 7mm Rem Mag against the .280 Ackley Improved over the chronograph. My Affiliates Links List: ️ https://alnk.to/6Tz25dS Midsouth Shooter's Supply* ️️️ https://alnk.to/7X3pO6l - Ti. 7mm Rem Mag vs. 280 Ackley Improved AlaskanBallistics 268 followers Follow 8 0. Comments ...The 7mm Remington Magnum, 28 Nosler, and 7mm PRC all use the same .284″ bullet size as other popular 7 mm cartridges like the 7mm-08, 280 Remington 280 Ackley Improved, 7mm SAUM, 7mm WSM, 7 mm STW, and 7mm Weatherby Magnum (among others).280 ACKLEY IMPROVED. .280 Ackley Improved ammo began its career somewhat inauspiciously as the .280 Remington (for a while named the 7mm Remington Express to improve sales, which it did not). Parker Otto Ackley (1903-1989), better known as simply P.O. Ackley, was one of the most important gunsmiths and ammunition designers of the …SINGAPORE, Feb. 2, 2021 /PRNewswire/ -- Insider, the first integrated Growth Management Platform, today announced record results from the 2020 fis... SINGAPORE, Feb. 2, 2021 /PRNew...Employees spent 24 days in meetings last year. This is according to a new report from the Prodoscore Research Council (PRC). Working practices have undergone significant changes in...This list of the best rifle cartridges for elk hunting starts with the welterweights and moves up to the heavy hitters. 6.5 Creedmoor. .270 Winchester. .280 Ackley Improved. 7mm Remington Magnu n ...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. This makes the 280 AI suitable for various applications, from long-range target ...To answer some of the questions on why I narrowed it down to only those two calibers. The .270WSM or WIN is a great cartridge, but very limited grain weight choices compared to the 7mm's. No complaints on the 7mm-08 either, however my shooting range is out to 500 yards and would like a little more velocity than the 7mm-08 …Because of the higher velocity, the 6.5 PRC has a definite advantage in the energy department, delivering 300 to 400 ft-lbs. more than the Creedmoor at any given range. If you want to use a 6.5mm cartridge for larger species like elk in addition to deer and antelope, the PRC makes perfect sense. If you want a cartridge for whitetails and mule ...I have never owned nor shot anything with a .280 AI. However, on paper, the 6.8 Western looks to be extremely similar in performance to a .280 AI throated for long bullets, albeit with a longer action. The 6.8 Western is probably even more similar to the .280 AI's shorter performance clone, the 7 SAUM. It is closest to the mythical .270 PRC ...The 280 Ackley Improved is more efficient, but it is a niche cartridge that is harder to find and more expensive. Staying Power and Cool Factor. The 7mm PRC has the potential to become the next 7mm Magnum cartridge, while the 280 Ackley Improved is a niche cartridge that is gaining popularity. In terms of cool factor, the 280 Ackley Improved ...The new 7mm PRC is not the fastest 7mm; 28 Nosler, 7mm Shooting Times Westerner (STW), and 7mm Remington Ultra Mag (RUM) are faster. Two things: First, …$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 to existing case designs and...This list of the best rifle cartridges for elk hunting starts with the welterweights and moves up to the heavy hitters. 6.5 Creedmoor. .270 Winchester. .280 Ackley Improved. 7mm Remington Magnu n ...Shoulder is set at 40-degrees. All things equal, improves on the .280 Rem. by 100 fps. Originally cases were fire-formed by shooing a .280 Rem. out of an Ackley chamber. Factory loaded, starting with Nosler, in 2007. In addition to being a famous gunsmith, barrel maker and college professor, P.O. Ackley absolutely ruled the roost …He felt the 7mm Remington Magnum was an overbore design. Nosler and Hornady load both 7mm Remington Magnum and .280 Ackley ammunition; looking at their data you’ll see a difference of 90 to 100 fps between the two, with the belted 7mm Magnum giving the higher velocities (with a 162-grain Hornady ELD-X, the 7mm Mag. runs at 2940 fps and the ...8 hours ago ... In this video I go to the range with the 7mm PRC, 28 Nosler and 300 WBY with Hammer Bullets. I'm shooting the 170 gr HHT in 7mm PRC and 28 ...Re: .280 Ackley Improved any better than other 7mms? If I had to do it again. I may have gone with an 280AI or 7mm-08 to start with instead of a 7mm WSM, because of having more complete powder burn for a shorter barrel. But then the grass is always greener on the other side. On the other hand the extra velocity of the 7mm WSM is nice.The 270 and 280 were both right at the 125-130 fps range and the 06 gained around 110 fps over the parent case. onto the wsm rounds. 50-75 fps was the max increased with either of these. the RUM cases showed more capacity gains then i was expecting which was due to their long length and large diameter cases.Authorities in Rome are cracking down on tourists sitting down on the Spanish Steps, fining people up to $280 each for the offense. Wandering around Rome can be exhausting, especia...8.1 / 3.67. 110 TIMBERLINE LEFT HAND. Low temperatures. Dry air. Low pressures. Long shots. With the new Savage® 110 Timberline, they’re all attainable. The rifle is built to maximize accuracy with a fluted barrel, overmold surfaces, target crown, and omni-port muzzlebrake. The Model 110 action is secured three-dimensionally along its entire ...
Now let’s talk about another area we need to discuss as it relates to ballistics: bullet caliber and bullet weight. The .270 Winchester uses .277″ bullets while the .280 Remington, .280 Ackley Improved, and 7mm Remington Magnum all use slightly larger .284″ bullets. . Movie theater fernandina beach fl
To learn more about popular hunting calibers like the .270 Winchester, .280 Remington, 280 Ackley Improved and 7mm Remington, visit: https://huntingguns101.c...We live in a gilded age of home improvement, when we have virtually everything we need to build and repair a home just a short drive or keystroke away. Still, should you shop at a ...280 Ackley Improved Vs. 7mm Remington Magnum. According to Nosler reloading data, although the 7mm Remington Magnum does not provide more than 50 fps over the .280 AI with similar projectiles, the latter cartridge holds less powder in its case, thus it is considered more efficient. However, the published data is provided from a .280 AI tested ...more overbore 7mm magnums on the market. The parent case for the 7mm PRC is the 375 Ruger. The case length has been shortened to 2.280", but retains the same .532" diameter, non-belted case, and the 30° shoulder that is found on all Precision Rifle Cartridges. Reloading the 7mm PRC can produce amazing accuracy and consistency. ForIn general, a capital improvement is a one-time expenditure for physical assets such as buildings, land, construction, landscaping or major equipment. In general, a capital improve...30. Jan 27, 2023. This episode dives into the cutting-edge 7mm PRC and the legendary .280 Ackley Improved. We compare accuracy potential, long-range capability, recoil levels, efficiency and barrel life, versatility …Below, you can see the ballistics for the .280 Ackley compared to 7mm Rem Mag and .270 Win. Ballistics charts of the 280 AI, 7mm Rem Mag, and .270 Win. Outdoor Life. The Ackley represents a nice middle ground, the distinctive 40-degree shoulder angle allows for ample powder capacity, but it burns efficiently, producing excellent velocities with ...I was surprised the 160 accubond dropped below 1500 ft. lbs. past 500 yards when started at 2920. I'm shooting 162 ELD-X out of my 7mm-08 at 2650 and could run them at 2700 if I wanted. Those are only 100 ft. lbs. behind the .280 AI/Accubond combo at 500 yards, with probably 2/3 the recoil. Really makes me appreciate the high BC of …Ranging from brand-new to over a century old, all ten of these cartridges are at the top of their class. From left: 6.5-284 Norma, 7mm Rem. Mag., 28 Nosler, .300 Win. Mag., .25-06 Rem., .280 Ackley Improved, .338 Win. Mag., .270 Win., .30-06 Springfield, 6.5 Creedmoor. The following is a list of cartridges that have earned the right to ...Sticking with the 8-pound rifle, the 26 Nosler pushing a 142-grain bullet 3,200 fps will recoil 16 fps with nearly 32 f-p energy. The 28 Nosler adds considerable powder, thus energy, to push the same 175-grain bullet as the 280 AI. This nudges MV (muzzle velocity) to 3,200 fps and increases recoil velocity to almost 18 fps and energy to nearly ...Stainless Steel Dial Caliper. $51.99. Add to Cart. These two die-sets are intended for reloading bottleneck cases, and consist of a Full-Length Sizer Die with an Expander-Decapping Unit, and a Seater Die with Bullet Seater Plug. The Full-Length Sizer Die brings the case to SAAMI minimum cartridge dimensions.The .280 Remington was next to gain commercial status, being introduced by Big Green in 1957. It is nothing more, and nothing less, than the .30-03 case (and even the .270 case) necked to hold 7mm bullets, and that’s a good thing. The 7mm, or .284-inch diameter, bullets offer a good range of weight for the hunter, topping out at 175 grains..