PANGASINAN COLLEGES OF SCIENCE AND TECHNOLOGY

Even if you use regular handgun ammo, the added barrel length adds a few extra feet per second making it more powerful. Just check the information on boy armor. Body armor that is rated to stop 9mm, for example, is not rated to stop the same 9mm ammo out of a SMG or carbine, because the added speed will make that same round penetrate the vest. ................
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