Will a 7.62x39 Penetrate Concrete?

Yes — defeats a 100 mm concrete barrier
Penetration depth
137 mm (5.4″)
Impact velocity
715 m/s (2346 fps)
Muzzle energy
2045 J (1508 ft-lb)
Bullet behaviour
Intact

Fired at the muzzle, a representative 7.62x39 load (8 g, FMJ, 715 m/s) reaches roughly 137 mm (5.4 inches) into concrete. That is enough to defeat a typical barrier of this material — treat anything behind it as exposed.

About Concrete

Poured concrete (~100 mm) covers slabs and structural walls.

7.62x39 against other materials

MaterialDepth (mm)Depth (in)
Red Brick187 mm7.4″
Tempered Glass29 mm1.1″
Steel A3613 mm0.5″
Steel AR5004 mm0.2″
Aluminum 606125 mm1.0″
Run your own numbers in the calculator →

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