Cartridge: 7.62x25 (interchangeable with 7.63 Mauser; aka- .30 Mauser)
Type of Operation: Blowback
Cyclic rate: 900 rpm
Muzzle velocity: c.1600fps (488mps)
Type of Fire: Selective: full-automatic and semi-automatic
Length: 33.10 in. (828mm)
Barrel: 4 grooves, right-hand twist
Barrel Length: 10.60 in (265mm)
Weight unloaded: 8 lbs. (3.64 kg), with drum 12 lbs. (5.40 kg)
Type of Feed Mechanism: Single position feed, stamped sheet-metal, curved box magazine.
Also, a drum magazine similar to the PPD type, but possessing two feed lips.
Magazine capacity: 35 round detachable box or 71 round drum
Weight of Loaded Magazines: 1.5 lbs, box type (.680 kg), 4 lbs. drum type (1.840 kg)
Sights: Tangent with open "U" notch, adjustable from 50 to 500 meters. On the later models,
there is an open "U" notch "L" flip rear sight set for 100 and 200 meters.