IWI GAP36SB: Action: Semi-Auto - Caliber: 7.62x39mm - Capacity: 30 - Finish: Black - Sights: Adjustable - Twist: 1:9.45 - Barrel Length: 8.3 - Overall Length: 18 - Weight: 6 lb - Charging handle (reciprocating) moved to the left side of the milled steel receiver allowing for weak hand operation - Weight reduction with the use of modern polymers - AKM/AK-47 magazine compatibility - Full length 2-piece Picatinny top rail - Picatinny tri-rail forearm with built in slide on/off rail covers with pressure switch access Does not ship with sights or optics.