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There are also many more factory loads available for the .270 Winchester over the .280 Remington at a lower price point due to the .270's much greater popularity. [ 2 ] Renowned for being a strong advocate of the .270 Winchester, gun writer Jack O'Connor 's last rifle was a Ruger M77 restocked by Alvin Biesen but this time chambered in .280 ...
The .28 Nosler is based on the .26 Nosler which was released in 2014. The .28 Nosler shares the same overall cartridge length of 84.8 mm (3.340 in) as the .26 Nosler which allows it to be chambered in standard-length action. [14] This feature helps weight-conscious sportsmen to lighten their load before venturing into the backcountry.
The .280 Ackley Improved (.280 AI) was the result of the .280 Remington case modification by P.O Ackley, who pushed out the sidewalls at the shoulder to near parallel and steepened the shoulder angle to 40 degrees in order to increase powder capacity, thus along with increasing the allowable pressure, resulted in increasing the bullet initial velocity by approximately 100 fps.
Since their release, the 26 Nosler and 28 Nosler [7] have been known for high muzzle velocities and extremely flat trajectories. The parent case for both cartridges is based on the .300 Remington Ultra Magnum [8] case. In October 2014, Nosler introduced Ballistic Tip Ammunition as the latest product offering in their factory loaded ammunition. [9]
Components of a modern bottleneck rifle cartridge. Top-to-bottom: Copper-jacketed bullet, smokeless powder granules, rimless brass case, Boxer primer.. Handloading, or reloading, is the practice of making firearm cartridges by manually assembling the individual components (metallic/polymer case, primer, propellant and projectile), rather than purchasing mass-assembled, factory-loaded ...
This case has no belt, unlike many other magnum cartridges, which can be desirable for handloading because of possible problems with case head separation with repeated reloading of belted magnum cartridges. The rimless design also contributes to smooth feeding from the box magazine of bolt-action rifles.
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The 6.5 Grendel bullets have a true diameter of 6.71mm / 0.264" and the 6.5 Grendel case can be formed from abundant 7.62x39 cases with a neck re-sizing die, and fire-forming a slight change to the shoulder, if the case is made from brass. Many of the popular 7.62x39 cases are made from steel, which will not work for reforming the shoulder.