The Zastava M70B1 is the standard rifle-stock variant of the Yugoslav M70, replacing the original fixed wood stock with an updated hardwood design. The B1 suffix designates the standardized military production variant. Chrome-lined hammer-forged barrel. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 7.62x39mm Capacity: 30 Year introduced: 1974, Serbia Weight: 8.1 oz Overall length: 37.1" Status: Active Military use: Yes Intended use: Collecting, Home Defense