Comparison of a Theoretical and Experimental Study of the Gas System in the M16A1 Rifle
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
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The report presents equations derived from gas dynamic theory that describe the gas system of gas-operated, automatic weapons. The equations relate the pressure on a piston to the pressure measured in the gun tube at the gas port. The report also contains the results of firing experiments on the M16A1 Rifle. Theoretical predictions of the effects of changes in parameters are compared with the experimental results.