Will a 7.62x39 Penetrate Oak Wood?

Yes — defeats a 40 mm oak wood barrier
Penetration depth
229 mm (9.0″)
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 229 mm (9.0 inches) into oak wood. That is enough to defeat a typical barrier of this material — treat anything behind it as exposed.

About Oak Wood

Oak hardwood (~40 mm), denser than construction softwood.

7.62x39 against other materials

MaterialDepth (mm)Depth (in)
Red Brick187 mm7.4″
Concrete137 mm5.4″
Tempered Glass29 mm1.1″
Steel A3613 mm0.5″
Steel AR5004 mm0.2″
Run your own numbers in the calculator →

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