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A free-floating barrel is a firearm design used in precision rifles, particularly match grade benchrest rifles, to accurize the weapon system. With conventional rifles, the gun barrel rests in contact with the fore-end of the gunstock , sometimes along the whole length.
Pillar bedding of the action with the barrel floated. Full length aluminum action bedding block. Full contact bedding of the action with the barrel floated is a very common method for long range rifles with a heavy barrel. A free-floating barrel will generally produce the greatest accuracy. However, a pressure pad under the barrel just forward ...
Many times it is advantageous to eliminate most or all contact between the stock and barrel, to eliminate potential accuracy-destroying interference in the barrel harmonics. To do this, stock material is removed along the barrel channel to leave a slight gap between the stock and the barrel; this is called free floating the barrel.
The Savage 110 BA is a bolt-action sniper/tactical rifle manufactured by Savage Arms.The rifle is designated with an "LE" code; "Law Enforcement". All 110 BA series rifles are configured with AccuTrigger, matte-blued barreled action, fluted heavy free-floating barrel, muzzle brake, oversized bolt handle, external box magazine (holding 5 - 6 rounds), magpul adjustable stock, adjustable pistol ...
The picatinny rail is supported by the handguard without touching the barrel, thus maintaining the accuracy provided by the free-floating design. CS/LR4 has a double-stage trigger to facilitate precision shooting, and the pull weight can be customized between 8N and 15N. [1] The accuracy is 1MOA at 600 m (660 yd). [2]
The barrel length is reduced to 310 mm. The 8 inch twist rate of the barrel is especially adapted to stabilize the long heavy projectiles used in subsonic ammunition. The propellant charge of subsonic ammunition is reduced to keep the bullet velocity (300–320 m/s (980–1,050 ft/s) below the speed of sound (~ 340 m/s (1,100 ft/s)).
These accurized C7/C8 variants are designed to provide accurate engagement up to 600 m (660 yd), while providing system commonality to other fielded weapons. They have two-stage match triggers and weighted stocks to counterbalance the heavy 508 mm (20.0 in) or 410 mm (16 in) free-floating barrel surrounded by a tubular forestock.
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 Mk 12 ...