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The .308 Marlin Express is a cartridge developed in 2007 by Marlin Firearms and Hornady. It is based on the .307 Winchester with a goal to duplicate .308 Winchester performance. The cartridge uses a slightly shorter, semi-rimmed case similar to that of the .220 Swift to function in lever-action rifles.
The RPR was originally announced in the following calibers and configurations: .308 Win. with 1:10 twist, 20 in (51 cm) barrel, weighing 9.7 lb (4.4 kg) 6.5 Creedmoor with a 1:8 twist, 24 in (61 cm) barrel, weighing 10.6 lb (4.8 kg)
The .308 Winchester has a 3.64 mL (56 gr H 2 O) cartridge case capacity. [9] The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles and machine guns alike, under extreme conditions. .308 Winchester maximum C.I.P. cartridge dimensions. All dimensions in millimeters (mm) and inches.
In addition, Desert Tech presented their research data that clearly showed Suppressors significantly improve the accuracy of Rifles by upwards of 1 MOA for the MDR. [19] For comparison on September 23rd 2022, Desert Tech asserted the worst accuracy in the MDRx was in .308 in the 16" length barrel. The resulting performance was 1.6 MOA suppressed.
ArmaLite announced the introduction of the AR-31 at the National Association of Sporting Goods Wholesalers Expo in October 2013. The AR-31 is a short-action rifle based on the long-action AR-30A1. The initial rifle offered was chambered in .308 Win, and the rifle will accept AR-10B magazines. [5]
The first rifles commissioned for the developmental work by Barnes for the .308×1.5" cartridge were a Swedish Model 96 Mauser with a 1 in 12 (305 mm) twist built by Les Corbet and a Remington Rolling Block with a 1 in 10 (254 mm) twist built by P.O. Ackley. Due to the weights of the bullet and the performance of the cartridge, the 1 in 12 ...
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The rifle's barrel has an unconventional 279 mm (1:11 in) right-hand twist rate, optimized for firing .338-calibre very-low-drag bullets up to 16.85 g (260 gr). Longer, heavier very-low-drag bullets like the Sierra HPBT MatchKing .338-calibre 19.44 g (300 gr) can be used, but require a 254 mm (1:10 in) twist rate to stabilize them under high ...