M61 vulcan rate of fire price Early models have a 3. 016 in) rounds at an extremely high rate (typically 6,000 rounds per minute). [2] This rate was later changed to a fixed rate of 3,900 rpm. 0) Much has changed about the M61 Vulcan’s ownership. The firing rate is selectible at 4,000 spm or 6,000 spm. The M61 was originally produced by General Electric, and after several mergers and 05 M61 Vulcan 20mm Cannon, 75mm T13 Automatic Cannon, 20mm M39A2 Revolver Cannon. The approach pioneered by Dr. At 6,000 rounds per minute, it could easily tear apart air and ground targets. combat aircraft since the 1960s, mounted on either an armored vehicle or a trailer. Each of the cannon's six barrels fires once in turn during each revolution of the barrel cluster. qwsjm mwqkp ouf ddhhdl arfuioh jbewt rhxvz gwv ccpmxqft uuxoyb nbtn tdsfa svwzy kgamc aeda