Description
M4-22 PRO UPPER – 11.8’’ FOREARM•Dedicated complete upper •Blowback operation •Converts any Mil-Spec lower to .22 LR •8 position quad rail forearm •Picatinny rail flat top receiver •1:16 twist rate •Redesigned steel bolt assembly •Matte black finish •OAL: 23.5’’ •Approx. Wt.: 4 lbs (empty)Cal.: .22 LRCap.: 10Brl.: 16.5″
