Zenith MKE Z-5RS HK MP5 9mm 9" Barrel, SB Tactical Brace 30rd Mag

Caliber - 9 x 19 mm Parabellum OA Length - 25.75 inches Barrel Length - 8.9 inches Barrel - cold hammer forged 32 chrome molybdenum vanadium Weight (Empty) - 6.15 pounds Operation - semi-automatic, roller-delayed blowback Twist Rate - 1:9.8 Sights - rear drum for elevation and windage, front protected post Capacity - 30 Colors - black Includes - a rugged plastic carry case, a factory cleaning kit, two (2) extra take-down pins, a factory Picatinny style optics mount, a factory sling, three (3) 30-round magazines, and a 5-year warranty Additional - barrel has 3-lug quick attachment and 1/2×28 threaded end