This is a TROY Rail known as the MRF, model SRAI-MRF-D7BT-00.
The Troy Drop-In Rail is a non free-floating direct replacement for all M4/AR15 Carbine length plastic hand guards with a round end plate. The Troy patented clamping design ensures a solid mounting platform and provides a true optical mounting platform that increases the modularity and accuracy of the M4.
Features:
Black finish
BattleRail MRF 7 2-piece rail;Includes MIL-STD Picatinny rails at 12 3 6 and 9 o'clock and four built-in sockets
Fits AR-15
