Why I Shoot .40 S&W Ammunition With My Unmodified 10mm GLOCK 20 Pistol

First there was 10mm Auto. The FBI chose a watered-down loading — a 180 grain bullet at 975 fps instead of more like 1,300 fps — and a large-frame Smith & Wesson pistol through which to shoot it. By the time the contract went through, Tom Campbell, a Smith employee, had realized that the powder … Read more