Knights Armament Company (KAC) M4 Carbine Rail Adapter System (RAS)
As issued to US troops for the M4 and M4A1 carbines. The M4 Carbine RAS converts AR-15, M4, M4A1 carbines with Mil-Spec M4 profile (.840" diameter) barrels into the MWS (Modular Weapon System) configurations.
Installs without special gun smithing tools. Includes multiple Rib panels and Foregrip.
Rail Adapter System fits under Contour Barrel GI/MIL SPEC Barrel.
Length: 6 5/8" Weight: 11.6 oz
P/N: 98064 - Rail
P/N: 12973095 - Kit