How deep does a 12ga Slug penetrate Polycarbonate?

At the muzzle, a representative 12ga Slug load penetrates approximately 12 mm (0.5 inches) into polycarbonate.

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 Polycarbonate?

Yes — defeats a 12 mm polycarbonate barrier

Penetration depth

12 mm (0.5″)

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 12 mm (0.5 inches) into polycarbonate. That is enough to defeat a typical barrier of this material — treat anything behind it as exposed.

About Polycarbonate

A polycarbonate pane (~12 mm); true bullet-resistant glass is far thicker and layered.

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 Aluminum 6061 12ga Slug vs Pine Wood 12ga Slug vs Oak Wood 9mm Luger vs Polycarbonate .45 ACP vs Polycarbonate .40 S&W vs Polycarbonate .380 ACP vs Polycarbonate .357 Magnum vs Polycarbonate .44 Magnum vs Polycarbonate 10mm Auto vs Polycarbonate .22 LR vs Polycarbonate

Will a 12ga Slug Penetrate Polycarbonate?

About Polycarbonate

12ga Slug against other materials

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