Will a 9mm Luger Penetrate Oak Wood?

Yes — defeats a 40 mm oak wood barrier
Penetration depth
85 mm (3.3″)
Impact velocity
360 m/s (1181 fps)
Muzzle energy
518 J (382 ft-lb)
Bullet behaviour
Intact

Fired at the muzzle, a representative 9mm Luger load (8 g, FMJ, 360 m/s) reaches roughly 85 mm (3.3 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.

9mm Luger against other materials

MaterialDepth (mm)Depth (in)
Red Brick70 mm2.7″
Concrete38 mm1.5″
Tempered Glass16 mm0.6″
Steel A363 mm0.1″
Steel AR5001 mm0.0″
Run your own numbers in the calculator →

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