Will a .44 Magnum Penetrate Aluminum 6061?

Yes — defeats a 6 mm aluminum 6061 barrier
Penetration depth
11 mm (0.4″)
Impact velocity
400 m/s (1312 fps)
Muzzle energy
1248 J (920 ft-lb)
Bullet behaviour
Expanded

Fired at the muzzle, a representative .44 Magnum load (15.6 g, SP, 400 m/s) reaches roughly 11 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.

.44 Magnum against other materials

MaterialDepth (mm)Depth (in)
Red Brick107 mm4.2″
Concrete58 mm2.3″
Tempered Glass15 mm0.6″
Steel A362 mm0.1″
Steel AR5001 mm0.0″
Run your own numbers in the calculator →

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