Fps Vest Where My AGS-30 Air Cooled, Belt Fed Advanced Primer Ignition Blowback Operated Grenade Machine Gun / Launcher

Where my AGS-30 air cooled, belt fed advanced primer ignition blowback operated grenade machine gun / launcher - fps vest

If Flecktarn German flak vest held a number of 9mm FMJ 115grain with a velocity of 1280 fps and energy of about 421 joules blunt trauma.

For crying out loud, if you do not know the answer, then take a guess.