The Tavor carries the usual reliability expected of all IWI products with some increased ergonomic features. This includes the ability to lock the charging handle without the use of the bolt catch. It also maintains the M4 type ambidextrous magazine release system and 45 degree ambidextrous safety. Caliber 7.62 NATO (7.62x51mm) Action Gas Piston, Semi-auto Operating System 4 position gas regulator, Closed rotating bolt, Short stroke gas piston Magazine Type LR/SR25 Pattern Magazine Capacity 10 Round Barrel Material Chrome lined, Cold hammer forged, CrMoV Rifling 1:12″ twist, 4 grooves, Right hand Stock Type Reinforced polymer bullpup configuration