Geissele MK4 Federal 10" Rail in FDE (please note newer gen has longer bottom picatinny (picture is first gen rail))
11.5" Colt heavy barrel 1/7 556 chrome lined bore and chamber .070 gas port
Geissele Bomb Proof Gas Block Pinned
Colt M4 Upper Receiver (Colt no longer puts cage code on upper)
Precision Reflex Carbine Length Gas Tube
UPC | |
MFG | Custom |
MODEL | 11.5" HRT MK4 Federal - FDE |
TITLE | 11.5" HRT MK4 Federal - FDE |