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A newer Ruger Precision Rifle "Gen 2" was announced on 6 May 2016 with several enhancements over the original. [4] The new version includes a new handguard, a hybrid muzzle brake (5/8-24 threaded), and a billet aluminum bolt shroud. The announced models were: .308 Win with 1:10 RH twist, 20 in (51 cm) barrel, weighing 9.8 lb (4.4 kg) [5]
For example, the M16A1 rifle is unable to accurately fire bullets that are heavier than 3.6 grams (55 gr) due to barrel twist that is too slow to stabilize heavier bullets. [41] Precision rifles typically come with barrels that are either tailor-made for a specific ammunition load or made according to the buyer's specifications.
The Ruger XGI is a semi-automatic rifle chambered in .308 Winchester or .243 Winchester. [3] The XGI's function and aesthetics are influenced by the Ruger Mini-14 , only sized up to the larger, more powerful .308 and .243 calibers.
As Ruger intended the cartridge to be chambered in short bolt-action rifles, [3] they trimmed the .375 Ruger parent case to 2.015 in (51.2 mm) to ensure a comparable cartridge overall length to the .308 Winchester. Unlike the rebated Winchester Short Magnum cartridges, the Ruger Compact Magnums share the same diameter from case head to body.
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.
The Ruger American Rifle is the first to use the trademarked "Ruger Marksman Adjustable™" trigger, which is similar in design to the Savage "AccuTrigger" and allows the user to adjust the weight of pull between 3–5 lb (1.4–2.3 kg) by means of turning a set screw on the trigger housing. [2]
.308 Winchester.338 Lapua Magnum: Bolt-action Belgium: 2013 USMC M14 DMR: USMC Precision Weapons Section 7.62×51mm NATO: Short-stroke piston (semi-auto) United States: 2001 USMC M16 SAM-R: USMC Precision Weapons Section 5.56×45mm NATO: Direct impingement (semi-auto) United States: 2001 Brügger & Thomet APR: Brügger & Thomet: 7.62×51mm NATO ...
The SR-556 is a semi-automatic AR-15 style rifle manufactured by Sturm, Ruger & Co. The rifle was introduced in 2009 in .223 Remington/5.56×45mm NATO and as a .308 Winchester AR-10 variant in 2013, the SR-762. [4] It is one of several AR-15 rifles to use a gas piston operation.