GETTING MY SEMI-AUTOMATIC PISTOL TOY GUN TO WORK

When you have mounted chokes, you would have to get the muzzle spot measured using a gauge to determine the choke constriction. Choke is relative to the internal barrel dimension.As for Common Thompson, he was hardly ever to begin to see the overpowering achievements of his gun to be a armed service weapon. He died in 1940 with the age of eighty yr