How deep does a .357 Magnum penetrate Red Brick?

At the muzzle, a representative .357 Magnum load penetrates approximately 99 mm (3.9 inches) into red brick.

What is the impact energy of a .357 Magnum?

This .357 Magnum load carries about 796 joules (587 ft-lb) at the muzzle.

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Will a .357 Magnum Penetrate Red Brick?

Yes — defeats a 90 mm red brick barrier

Penetration depth

99 mm (3.9″)

Impact velocity

395 m/s (1296 fps)

Muzzle energy

796 J (587 ft-lb)

Bullet behaviour

Expanded

Fired at the muzzle, a representative .357 Magnum load (10.2 g, SP, 395 m/s) reaches roughly 99 mm (3.9 inches) into red brick. That is enough to defeat a typical barrier of this material — treat anything behind it as exposed.

About Red Brick

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

.357 Magnum against other materials

Material	Depth (mm)	Depth (in)
Concrete	54 mm	2.1″
Tempered Glass	14 mm	0.5″
Steel A36	2 mm	0.1″
Steel AR500	1 mm	0.0″
Aluminum 6061	10 mm	0.4″

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.357 Magnum vs Concrete .357 Magnum vs Tempered Glass .357 Magnum vs Steel A36 .357 Magnum vs Steel AR500 .357 Magnum vs Aluminum 6061 .357 Magnum vs Pine Wood .357 Magnum vs Oak Wood .357 Magnum vs Kevlar NIJ III 9mm Luger vs Red Brick .45 ACP vs Red Brick .40 S&W vs Red Brick .380 ACP vs Red Brick .44 Magnum vs Red Brick 10mm Auto vs Red Brick .22 LR vs Red Brick 5.56 NATO vs Red Brick

Will a .357 Magnum Penetrate Red Brick?

About Red Brick

.357 Magnum against other materials

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