>>4457700

Velocity x Weight = Energy

Since your limited by speed (1100 ft/sec +/- depending on bara. air pressure) when doing subsonic work, the only other variable you can increase is weight. That's what makes the 45ACP so beautiful when it comes to doing things quietly.

MCA!

(Merry Christmas Anons!)

>>4457866

>>4458040

40SW is typically always flat at the nose. This came about to allow max bullet weight and size while trimming a little off the length. The reason was to allow the cartridge to be easily adapted to handgun and magazine designs already in production for the 9mm.