Manufactured on the M&P15 modern sporting rifle platform. 14-1/2" Chrome-lined CMV barrel with permanent Smith Vortex flash hider for 16" overall length. Ensures a complete propellant burn and negligible flash, unlike the standard issue closed-end "bird cage" unit or competing straight-flute designs. Right hand helical flutes will not loosen under sustained fire. The flute configuration is 40% stronger due to greater mass. Accuracy remains the same or improves. Troy 13" TRX Extreme Handguard. One-Piece, Free Floating Rail, designed for secure installation. Troy TRX rails are custom manufactured from aircraft aluminum and finished in MIL-SPEC Type III hard coat with Teflon. State of the art rotary locking system. Proprietary patent pending one-piece design. Reduced heat transfer. Significant weight reduction. True U.S. Military Specification M1913 rails. Increases target acquisition speed. Free floating design that enhances accuracy. Includes Troy barrel nut. MBUS Front and Rear Sights. Impact resistant polymer provides light weight and resists operational abuse. Spring-loaded flip up sights easily activated from either side or by pressing the top. Chambered in 5.56 mm NATO. Barrel twist rate 1 in 7".
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Gauge/Caliber : Flat Top Upper Receiver Assembly
Length : .223/5.56
Model : MBUS
Chokes : 14.5" Plus Flash Hider 16"
Sights : MBUS
Bore-Rifled : 1:7
Finish : Chrome Lined
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