The Troy MRF is the strongest user-installed free-floating rail system in the world. Troy MRFs are available for all M16/M4 weapon systems equipped with the original factory barrel nut. The MRF's 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's flat-top receiver.
Specifications and Features:
Accepts Quick Detach 360 push-button swing swivel
Any DPMS Low Profile .308 Pattern Upper Receiver
Note: DPMS, Bushmaster, Remington and others may have two different height upper receivers. Please see attached picture to determine which receiver you have before purchasing.