How deep does a .357 Magnum penetrate Aluminum 6061?

At the muzzle, a representative .357 Magnum load penetrates approximately 10 mm (0.4 inches) into aluminum 6061.

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 Aluminum 6061?

Yes — defeats a 6 mm aluminum 6061 barrier

Penetration depth

10 mm (0.4″)

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 10 mm (0.4 inches) into aluminum 6061. That is enough to defeat a typical barrier of this material — treat anything behind it as exposed.

About Aluminum 6061

Aluminum plate (~6 mm), as found in light vehicle and aircraft skins.

.357 Magnum against other materials

Material	Depth (mm)	Depth (in)
Red Brick	99 mm	3.9″
Concrete	54 mm	2.1″
Tempered Glass	14 mm	0.5″
Steel A36	2 mm	0.1″
Steel AR500	1 mm	0.0″

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

Will a .357 Magnum Penetrate Aluminum 6061?

About Aluminum 6061

.357 Magnum against other materials

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