UPPER - HK MR556A4 14.5 upper was 16 cut down by D Wilson to 14.5 - Surefire 3 prong P&W - Arisaka SMR mount - Geissele SMR rail (will also come with original rail pictured) LOWER - key hole forge lower - Geissele SSA-E - FCD buffer tub and end plate - HK buffer and spring - Magpul CTR *1000 rounds down the barrel *Upper, lower, and rail are cerakoted in FIR 265 *fire pin safety has been removed so it will shoot with normal geissele triggers Not interested in trades at the moment
