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A chrome-lined bore offers a more durable, more corrosion resistant, and easier-to-clean barrel for the end user to maintain and is rarely found on precision bolt-action sniper rifles. The barrels of the "First Generation" rifles were said to be made from the hammer-forged blanks used for M240 General Purpose Machine Gun production at the FN ...
This increases the accuracy of the weapon by removing vibration and pressure exerted on the barrel by the rest of the gun. The first SPRs used PRI Gen I or Gen II carbon-fiber free-float tubes. The SPR/A, SPR/B, and MK 12 MOD 1 all use the Knights Armament Company M4 Match Free-Floating Rail Adapter System, KAC part number 99167. [2]
The FN Tactical Sport Rifle (TSR) is a bolt-action sniper rifle produced by FN Herstal. It is based on the FN SPR which is known for its reliability and accuracy. [ 2 ] The XP present in the model names signifies the rifles having extreme precision.
The SA58 SPR (Special Purpose Rifle) is a semi-automatic only configured variant that was submitted for the U.S. Army SASS rifle trials. It features a 19-inch fluted barrel, 10-round magazine and an upgraded speed trigger. The SA58 DMR (Designated Marksman Rifle) is a semi-automatic only variant that features a 16.25 inch fluted heavy barrel.
The SPR-3 is a magazine-fed variant of the SPR-1, chambered in 7.62×51mm NATO ammo. It was developed to replace the SPR-1 in Indonesian service. [13] The SPR-3 was introduced in 2010 after development of the rifle was done from 2007. [14] The rifle was shown to the public in 2011 at the APSDEX convention. [14]
The 6.8mm Remington Special Purpose Cartridge (6.8 SPC, 6.8 SPC II or 6.8×43mm) is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Unit and United States Special Operations Command [6] to possibly replace the 5.56 NATO cartridge in short barreled rifles (SBR) and carbines.
The flagship model of the Six8 series is the UCIW which features an 8.5-inch barrel. The A2 and SPR variations feature longer barrel lengths including 12.7, 14.7, and 16.1 inches. Weapons of this series come standard with Magpul MOE pistol grips, LWRCI proprietary compact stocks, and iron sights. [19]
It had a 40-inch (100 cm) long barrel, and an overall length of 56 inches (140 cm). Three rifle bands held the barrel to the stock. A shorter two band version, generally referred to as the Harpers Ferry Model 1855 rifle, was also produced. This shorter rifle had a 33-inch (84 cm) barrel and an overall length of 49 inches (120 cm). [7]