4.6 x 30 mm
(Redirected from 4.6 mm)
The 4.6 x 30 mm cartridge is a type of armor-piercing ammunition used by the H&K MP7 submachine gun and by H&K UCP pistol.
It features bottlenecked case and steel core pointed brass-jacketed bullet
- Projectile weight: 1.6 g
- Muzzle velocity: 725 m/s
- Muzzle energy: 420 joules.
- Effective range: 200 m
Test results (taken from hkpro.com)
- Gelatin block at 50 m. (20 % Gelatin block 300mm long): 280mm
- Energy Transfer through armor at 50 m 1.6mm Titanium + 20 layers of Kevlar 220 joules
- Energy Transfer through armor at 100m 1.6mm Titanium + 20 layers of Kevlar 115 joules
same numbers for 5.7mm are 230mm, 140 J and 65 J
The round was designed as a competitor to the 5.7mm round developed by FN, but something is to said of the stopping power of the round when compared to the stopping power of the 5.7mm.
In head to head comparison 4.6 x 30 to 5.7mm ammo is faster and offers better long range and piercing capabilities, but lacks in shock-generating capabilities, as it is intended rather for specialized military use.
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Categories: Pistol and rifle cartridges