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| After the 5.45mm new cartridge and AK-74 assault rifle entered service, the RPK-74 light machine gun was developed from the rifle. The RPKS-74 version with folding butt was intended for airborne paratroops. These machine guns differ form the AK-74 assault rifle in barrel length and weight, sight windage mechanism, butt shape, dimensions weight and the design of the recoil compensator. |
| Caliber, mm | 5.45 |
| Cartridge | model 1974, 5.45x39 |
| Length, mm:
overall barrel rifled bore sight radius |
1,060
590 549 600 |
| Number of rifling grooves | 4 |
| Magazine capacity, rds | 45 |
| Range, m:
sighting bullet flight bullet killing capacity |
1,000
3,150 1,350 |
| Rate of fire, rds/min:
single shots bursts |
50
150 |
| Machine gun weight, g:
in firing position w/empty magazine |
5,460
5,150 |
| Plastic magazine weight, g | 300 |
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