At the SHOT Show, Browning ammunition has introduced a subsonic, 45 grain, suppressor optimized .22 Long Rifle load for pistols. It uses the heavy, 45 grain bullet to increase energy from a pistol at subsonic velocities. It is loaded to reliably stay subsonic from pistols. If fired in rifle length barrels, it may reach supersonic velocities, with the resultant sonic barrier snap produced by bullets exceeding the speed of sound. A rough estimate of the price is about 10 cents a cartridge. The market for ammunition is fluid, so prices are difficult to forecast. Browning ammunition is produced by Winchester,...