Out of stock $1,925.00 HK MR556A1 Complete Upper Receiver, 223 Remington/556NATO, 16.5" Cold Hammer Forged Barrel, Black, M-Lok Free Float Rail, Flash Hider, Complete MR556 Bolt Carrier Group, Proprietary Tungsten Buffer, Proprietary Buffer Spring 81000584
Out of stock $223.25 Ballistic Advantage Performance Series, Barrel, 556NATO, Black, Gas Block, Carbine Length Gas System, AR15, Matte BABL556037F
Out of stock $251.10 Spike's Tactical Generation 2, Billet, Upper, 223 Remington, 556NATO, Black, Mil-Spec Barrel Nut SFT52B2
Out of stock $223.25 Ballistic Advantage Performance Series, Barrel, 556NATO, Hanson Mid w/ lo pro, Bead Blasted BABL556018F
Out of stock $161.50 Ballistic Advantage Modern Series, Government Profile Barrel, 223 Remington/556NATO, 13.9", Midlength Gas System, 1:7 Twist, 1/2X28 Threads, 4150 CrMoV, QPQ Corrosion Resistant Finish, Black BABL556035M
