M4a1 Fsp 5.56x45mm Stripped Upper Receiver – M4a1 Fsp 5.56x45mm 14.5””bbl Stripped Upper W/12.25””handguard

This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. It features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5″ M4 profile barrel, Mil-Spec F-Marked front sight base. UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 14.5″ M4 Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested GAS SYSTEM: Mil-Spec F-Marked Front Sight Base, Carbine Length, Direct Impingement HANDGUARD: Daniel Defense M Mfg: Daniel Defense