How deep does a 12ga Slug penetrate Aluminum 6061?

At the muzzle, a representative 12ga Slug load penetrates approximately 7 mm (0.3 inches) into aluminum 6061.

What is the impact energy of a 12ga Slug?

This 12ga Slug load carries about 3538 joules (2609 ft-lb) at the muzzle.

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Will a 12ga Slug Penetrate Aluminum 6061?

Yes — defeats a 6 mm aluminum 6061 barrier

Penetration depth

7 mm (0.3″)

Impact velocity

500 m/s (1640 fps)

Muzzle energy

3538 J (2609 ft-lb)

Bullet behaviour

Intact

Fired at the muzzle, a representative 12ga Slug load (28.3 g, SLUG, 500 m/s) reaches roughly 7 mm (0.3 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.

12ga Slug against other materials

Material	Depth (mm)	Depth (in)
Red Brick	81 mm	3.2″
Concrete	19 mm	0.8″
Tempered Glass	8 mm	0.3″
Steel A36	4 mm	0.1″
Steel AR500	1 mm	0.0″

Run your own numbers in the calculator →

12ga Slug vs Red Brick 12ga Slug vs Concrete 12ga Slug vs Tempered Glass 12ga Slug vs Steel A36 12ga Slug vs Steel AR500 12ga Slug vs Pine Wood 12ga Slug vs Oak Wood 12ga Slug 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 .357 Magnum vs Aluminum 6061 .44 Magnum vs Aluminum 6061 10mm Auto vs Aluminum 6061 .22 LR vs Aluminum 6061

Will a 12ga Slug Penetrate Aluminum 6061?

About Aluminum 6061

12ga Slug against other materials

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