![]() ![]() Steel Barrel Nut same KMR, MMR, and QRF series, to resist movement under heat.Includes 4 QD Sing Swivel Sockets, limited rotation.Proprietary engineered profile offers additional cross-sectional strength.Precision Machined Aerospace 6061-T6 Aluminum Alloy, for high strength and lightweight. AR-15 Free Float Quad Rail Handguard Carbine Length 7' Solid 6061 Aircraft Aluminum Construction with Hard Anodizing CNC Precision Machined Picatinny/Weaver Rail Type Extended Top Rail Provides 'NO-GAP' Installation Length:7' AR-15 7.5' Barrel.M4 Quad Rail Handguard Carbine Length 6.5 Inch Forend. Free Float Quad Rail eliminates loads from barrel, reducing the deflection for more accurate shooting. Getting an aftermarket high-quality AR-15 quad rail free float handguard Picatinny rail system is one of the best upgrades for your AR-15, M4 Carbine, AR10 LR 308 and AK-47 rifles.This proprietary patented mounting system US Patent 8904691, includes a mechanical index to the 12:00 rail and positions mounting hardware to mitigate the movement caused by heat generated by the weapon system. ![]() Includes T, L, R, and B recoil slot markings on all four rails to aid in a repeatable setup for the end-user. Featuring the same industry-leading barrel nut and lock-up design as originally introduced on BCM's evolutionary KMR handguard, the QRF Series of handguards gives the shooter modularity in the Picatinny MIL-STD-1913 platform. ![]()
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