Brigade mfg bm-9 rifle 9mm 16" bbl 33rd mag fde FEATURES:-Caliber: 9mm-Barrel: 16"-Twist: 1:10"-Adjustable 6 Position stock-33 round capacity-Overall length: 37"-Weight: 6.7 lbs Other Features: Cerakote finish.Compatable with glock style magazines.Last round bolt hold open.15" free float u-rail accepts both m-lok and keymod parts 6-pos adjustable butt stock 3" faux can muzzle enhancer 1/2x36" threads