Troy MRF-R Battle Rail For all M16A1, A2, A3, A4 Carbines 12 Inch Black

Available for all M16/M4 weapon systems equipped with the original factory barrel nut. MRF&#146s patented mounting system reinforces the barrel nut with a sturdy clamp and anti-rotation alignment lugs. Troy MRF BattleRails provide an uninterrupted rail extension and hand guard aligned perfectly with the host weapon&#146s flat-top receiver.