Midwest Industries Forearm Black 4-Rail Handguard Carbine MCTAR-17P.
Carbine Length Two Piece Forearm, piston compatible specifically with CMMG, STAG Arms, Ares GSR-35 Black Lightning Gas System Retrofit , Adams Arms Gas Piston System and Osprey Defence OPS-416. No Gunsmithing needed, as easy as replacing the standard carbine forearm. Constructed of 6061 Aluminum and Hard Coat Annodized to Milspec, Weight 10.6 oz, Length 6.125 " and Milspec 1913 Picatinny Rails with Laser Etched T-Marks.
