The CMMG Mk47 Mutant is a hybrid AR-15/AK-47 rifle that uses a standard AR-15 lower with AK-47 magazine compatibility and a CMMG-designed upper sized between AR-15 and AR-10 dimensions to reliably feed the 7.62x39mm cartridge. Type: Rifle Action: Semi-Automatic Caliber: 7.62x39mm Capacity: 30 Year introduced: 2015, USA Weight: 68 oz Overall length: 35" Status: Active Intended use: Tactical, Hunting