How deep does a 7.62x39 penetrate Dyneema UHMWPE?

At the muzzle, a representative 7.62x39 load penetrates approximately 10 mm (0.4 inches) into dyneema uhmwpe.

What is the impact energy of a 7.62x39?

This 7.62x39 load carries about 2045 joules (1508 ft-lb) at the muzzle.

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Will a 7.62x39 Penetrate Dyneema UHMWPE?

Yes — defeats a 6 mm dyneema uhmwpe barrier

Penetration depth

10 mm (0.4″)

Impact velocity

715 m/s (2346 fps)

Muzzle energy

2045 J (1508 ft-lb)

Bullet behaviour

Intact

Fired at the muzzle, a representative 7.62x39 load (8 g, FMJ, 715 m/s) reaches roughly 10 mm (0.4 inches) into dyneema uhmwpe. That is enough to defeat a typical barrier of this material — treat anything behind it as exposed.

About Dyneema UHMWPE

UHMWPE armor (~6 mm), a modern lightweight ballistic laminate.

7.62x39 against other materials

Material	Depth (mm)	Depth (in)
Red Brick	187 mm	7.4″
Concrete	137 mm	5.4″
Tempered Glass	29 mm	1.1″
Steel A36	13 mm	0.5″
Steel AR500	4 mm	0.2″

Run your own numbers in the calculator →

7.62x39 vs Red Brick 7.62x39 vs Concrete 7.62x39 vs Tempered Glass 7.62x39 vs Steel A36 7.62x39 vs Steel AR500 7.62x39 vs Aluminum 6061 7.62x39 vs Pine Wood 7.62x39 vs Oak Wood 9mm Luger vs Dyneema UHMWPE .45 ACP vs Dyneema UHMWPE .40 S&W vs Dyneema UHMWPE .380 ACP vs Dyneema UHMWPE .357 Magnum vs Dyneema UHMWPE .44 Magnum vs Dyneema UHMWPE 10mm Auto vs Dyneema UHMWPE .22 LR vs Dyneema UHMWPE

Will a 7.62x39 Penetrate Dyneema UHMWPE?

About Dyneema UHMWPE

7.62x39 against other materials

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