Can you shoot .40 S&W out of your 10mm Auto.
Can you shoot .40 Smith and Wesson out of your 10mm Auto pistol? Yes, but you should not. Ever. Straight walled pistol cases headspace off the case mouth. The .40 S&W is .142″ shorter than the 10mm Auto on average for in spec ammo. In case you do not know what headspace is, it is…
