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Since its dimensions are taken from the 30-06 cartridge from the 1906 US Army cartridge, the lower half of these case dimensions have been used for designing the .243 Winchester, 25-06, .270 Winchester, .280 Remington, 7mm-08, .308, .30-06, .35 Whelen, and others. Any AR-15/AR-10 cartridge cases that are derived from the 7.62x51 can also be ...
The 6mm Creedmoor is a necked-down version of the 6.5mm Creedmoor using 6 mm (.243 inch) bullets, lighter than 6.5 mm bullets with similarly reduced recoil. [30] John Snow at Outdoor Life built a 6mm Creedmoor rifle in 2009 for a magazine article of the wildcat cartridge that appeared in 2010, but the first documented conception of the 6mm ...
In October 2019, NSWC Crane ordered KAC's self-termed M110K1 conversion kits to upgrade USSOCOM's M110s to fire 6.5mm Creedmoor, with 14.5-inch (370 mm) and 22-inch (560 mm) barreled configurations. These conversion kits included complete upper receiver assemblies chambered for 6.5 Creedmoor as well as new muzzle brakes, and B5 Systems ...
The SIG MCX Spear (stylized as MCX-SPEAR) is a multi-caliber rifle developed by the American division of SIG Sauer from the SIG MCX series of carbines. The SIG MCX Spear is primarily chambered in .277 SIG FURY but can be adapted to 7.62×51mm NATO and 6.5mm Creedmoor with a barrel change.
8.6mm Blackout (8.6×43 mm), also sometimes referred to as 8.6 BLK, [1] is a centerfire rifle cartridge developed by the firearms manufacturer Q, LLC. [6] It utilizes a shortened case from the 6.5mm Creedmoor necked up to an 8.6 mm caliber (8.585 mm or 0.338 in diameter) projectile. 8.6 Blackout is designed for use in bolt-action rifles or as a caliber conversion for AR-10 style rifles.
Name Bullet Case length Rim Base Shoulder Neck OAL .25-25 Stevens: 6.5 (.257) 60.2 (2.37) 9.6 (.376) 8.2 (.323) - 7.2 (.282) 66.8 (2.63) .256 Win Magnum
The change from 7.62×51mm NATO ammunition to 6.5 Creedmoor was due to the 6.5 Creedmoor's better ability to successfully engage targets at distances around and over 800 m (875 yd). [ 15 ] [ 16 ] The main disadvantages of this change are introducing a new chambering in the logistics chain, and due to a higher O ratio a shortened barrel life. [ 17 ]
6.5 Creedmoor with a 1:8 twist, 24 in (61 cm) barrel, weighing 10.6 lb (4.8 kg) .243 Winchester with a 1:7.7 twist, 26 in (66 cm) barrel, weighing 11 lb (5.0 kg) A newer Ruger Precision Rifle "Gen 2" was announced on 6 May 2016 with several enhancements over the original. [ 4 ]