How deep does a .223 Remington penetrate Cinder Block?

At the muzzle, a representative .223 Remington load penetrates approximately 220 mm (8.7 inches) into cinder block.

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 Cinder Block?

Yes — defeats a 60 mm cinder block barrier

Penetration depth

220 mm (8.7″)

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 220 mm (8.7 inches) into cinder block. That is enough to defeat a typical barrier of this material — treat anything behind it as exposed.

About Cinder Block

A hollow concrete block presents ~50–60 mm of actual material across its face shells.

.223 Remington against other materials

Material	Depth (mm)	Depth (in)
Red Brick	176 mm	6.9″
Concrete	171 mm	6.7″
Tempered Glass	26 mm	1.0″
Steel A36	13 mm	0.5″
Steel AR500	8 mm	0.3″

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Will a .223 Remington Penetrate Cinder Block?

About Cinder Block

.223 Remington against other materials

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