MP5 Sub-sonic (Half-life)

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Weapon Name- MP5
Round Type- 9mm x 19mm Parabellum
Over-all length- 30 inches, 25 inches
Barrel length- 8 inches
Weight- 6.8 lb
Rate of Fire- 600 RPM
Feed Mechanism- Detachable Box Magazine
Round Capacity- 30
Effective Range- 50 meters
Range- 100 meters
Accuracy- 2 MOA
Accessories- Picatinny Rails
Quick switch firing mechanism- Extra Trigger
Scope/Sights- Iron, picatinny rail
Muzzle Velocity- 330 m/s, 9.7 gram
Firing System- Roller-delayed blowback
Miscellaneous/electronic information- The weapon is essentially a modified MP5, designed specifically to use subsonic 149 grain (9.7 gram) ammunition with an integrated suppressor and muzzle break, and capable of having a grenade launcher attached.






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The weapon is essentially a modified MP5, designed specifically to use subsonic 149 grain (9.7 gram) ammunition with an integrated suppressor and muzzle break, and capable of having a grenade launcher attached, specifically the M203. Traveling at 330 m/s, the pistol cartridges are subsonic, that is below the supersonic level that creates a supersonic crack, which keeps the weapon unusually quite. The weapon's muzzle flash is also contained within the suppressor, which helps absorb the resulting gunpowder and expanding gases which typically result in most of the noises of the cartridge.


https://en.wikipedia.org/wiki/Heckler_%26_Koch_MP5