Will a .22 LR Penetrate Oak Wood?

Yes — defeats a 40 mm oak wood barrier
Penetration depth
59 mm (2.3″)
Impact velocity
330 m/s (1083 fps)
Muzzle energy
142 J (104 ft-lb)
Bullet behaviour
Intact

Fired at the muzzle, a representative .22 LR load (2.6 g, FMJ, 330 m/s) reaches roughly 59 mm (2.3 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.

.22 LR against other materials

MaterialDepth (mm)Depth (in)
Red Brick49 mm1.9″
Concrete26 mm1.0″
Tempered Glass11 mm0.4″
Steel A362 mm0.1″
Steel AR5001 mm0.0″
Run your own numbers in the calculator →

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