Will a 10mm Auto Penetrate Alumina Ceramic?

No — stops inside alumina ceramic (reaches 1 mm of a 10 mm barrier)
Penetration depth
1 mm (0.0″)
Impact velocity
380 m/s (1247 fps)
Muzzle energy
845 J (623 ft-lb)
Bullet behaviour
Intact

Fired at the muzzle, a representative 10mm Auto load (11.7 g, FMJ, 380 m/s) reaches roughly 1 mm (0.0 inches) into alumina ceramic. It loses its energy before defeating a typical barrier of this material.

About Alumina Ceramic

Ceramic strike-face (~10 mm), the front of a rifle armor plate.

10mm Auto against other materials

MaterialDepth (mm)Depth (in)
Red Brick86 mm3.4″
Concrete47 mm1.8″
Tempered Glass19 mm0.7″
Steel A364 mm0.2″
Steel AR5001 mm0.0″
Run your own numbers in the calculator →

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