-10.3″ Colt crane spec 5.56 chrome bore an chamber, 1/7″, .070 gas port, dimpled for MK12 gas block
-Colt M4 upper receiver (choose cage code or no cage code)
-Daniel Defense RIS II MK18 rail
-MK12 gas block
-PRI carbine length gas tube
NO BCG OR CH INCLUDED
ALL NFA RULES APPLY

