Will a .22 LR Penetrate Cinder Block?

No — stops inside cinder block (reaches 33 mm of a 60 mm barrier)
Penetration depth
33 mm (1.3″)
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 33 mm (1.3 inches) into cinder block. It loses its energy before defeating a typical barrier of this material.

About Cinder Block

A hollow concrete block presents ~50–60 mm of actual material across its face shells.

.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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