Quick view Add to Cart Remove from Compare Compare Items Daniel Defense, M4A1 Upper Receiver, 223 Rem/556NATO, 14.5" Barrel (16" OAL with Pinned Brake), Carbine Length Gas System, 1:7 Twist, M4 12.0 Rail, Flat Dark Earth Finish, Fits AR $1,394.99
Quick view Add to Cart Remove from Compare Compare Items Geissele Automatics, Super Duty MOD1, Complete Upper Receiver, 556NATO $1,410.00 Geissele Automatics