Will a .22 LR Penetrate Red Brick?

No — stops inside red brick (reaches 49 mm of a 90 mm barrier)
Penetration depth
49 mm (1.9″)
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 49 mm (1.9 inches) into red brick. It loses its energy before defeating a typical barrier of this material.

About Red Brick

A single wythe of red brick (~90 mm) is typical of older exterior walls.

.22 LR against other materials

MaterialDepth (mm)Depth (in)
Concrete26 mm1.0″
Tempered Glass11 mm0.4″
Steel A362 mm0.1″
Steel AR5001 mm0.0″
Aluminum 60617 mm0.3″
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