How deep does a .223 Remington penetrate Tempered Glass?

At the muzzle, a representative .223 Remington load penetrates approximately 26 mm (1.0 inches) into tempered glass.

What is the impact energy of a .223 Remington?

This .223 Remington load carries about 1764 joules (1301 ft-lb) at the muzzle.

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Will a .223 Remington Penetrate Tempered Glass?

Yes — defeats a 6 mm tempered glass barrier

Penetration depth

26 mm (1.0″)

Impact velocity

990 m/s (3248 fps)

Muzzle energy

1764 J (1301 ft-lb)

Bullet behaviour

Intact

Fired at the muzzle, a representative .223 Remington load (3.6 g, FMJ, 990 m/s) reaches roughly 26 mm (1.0 inches) into tempered glass. That is enough to defeat a typical barrier of this material — treat anything behind it as exposed.

About Tempered Glass

Tempered and automotive glass runs about 6 mm thick.

.223 Remington against other materials

Material	Depth (mm)	Depth (in)
Red Brick	176 mm	6.9″
Concrete	171 mm	6.7″
Steel A36	13 mm	0.5″
Steel AR500	8 mm	0.3″
Aluminum 6061	24 mm	0.9″

See exactly what .223 Remington does to Tempered Glass — open in the calculator →

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Will a .223 Remington Penetrate Tempered Glass?

About Tempered Glass

.223 Remington against other materials

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