Features: 5.56x45mm/.223 caliber Semi automatic action 30 +1 round capacity 16.5″ Barrel w/pinned and welded extension Chrome Lined Barrell Stamped steel 1.5mm receiver with bulged trunnion Corrosion resistant hard nickel molly steel bolt carrier Hinged top cover Bolt hold-open notch on the safety selector Krinkov style rear, post front sights Magpul Grip Quad rail handguard Magpul RVG Vertical Grip 34″ Overall Length/26″ Folded Weight is 8.3 lbs. Top rail Muzzle Extension Rear Pic Rail Adaptor Midwest Industries LWS Folding Stock