How deep does a .22 LR penetrate Polycarbonate?

At the muzzle, a representative .22 LR load penetrates approximately 14 mm (0.6 inches) into polycarbonate.

What is the impact energy of a .22 LR?

This .22 LR load carries about 142 joules (104 ft-lb) at the muzzle.

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Will a .22 LR Penetrate Polycarbonate?

Yes — defeats a 12 mm polycarbonate barrier

Penetration depth

14 mm (0.6″)

Impact velocity

330 m/s (1083 fps)

Muzzle energy

142 J (104 ft-lb)

Bullet behaviour

Intact

Fired at the muzzle, a representative .22 LR load (2.6 g, FMJ, 330 m/s) reaches roughly 14 mm (0.6 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.

.22 LR against other materials

Material	Depth (mm)	Depth (in)
Red Brick	49 mm	1.9″
Concrete	26 mm	1.0″
Tempered Glass	11 mm	0.4″
Steel A36	2 mm	0.1″
Steel AR500	1 mm	0.0″

Run your own numbers in the calculator →

.22 LR vs Red Brick .22 LR vs Concrete .22 LR vs Tempered Glass .22 LR vs Steel A36 .22 LR vs Steel AR500 .22 LR vs Aluminum 6061 .22 LR vs Pine Wood .22 LR 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 5.56 NATO vs Polycarbonate

Will a .22 LR Penetrate Polycarbonate?

About Polycarbonate

.22 LR against other materials

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