Subsonic Poison Bullet, 5.45x39 ? Subsonic Armor Penetration Part 4

Test Gun(s): PSA AR-15 SBR, 10.5" barrel
Test Taken: 15 Feet.
Rounds Used: MK262 Mod 1, 55gr FMJ 5.45x39mm, 7N6, 7N6M @ Subsonic Speed
Armor Used: ShotStop Level III+ Backpack insert: http://bit.ly/2KikK4s
AR500 Armor soft products: http://bit.ly/2GH6QXy
Part 1: https://youtu.be/iiBmJEG69gs
Part 2: https://youtu.be/iuyg23F01yo
Part 3: https://youtu.be/kUGz6L0Tffo

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