Quick view American Defense Mfg Am Def Adm4 Rifle Mlok 16" Blk 5.56 $1,407.00 Built on a billet aluminum, fully ambidextrous upper and lower receiver set, the ADM4 is built the to the same specifications as their standard UIC Mod 2" but features a slick sided magazine well.Features :"16" Barrel".223 Remington/556NATOBlack M-Lok... Compare Add to Cart