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RP-46 vs RPK
Side-by-side technical comparison
RP-46
Other WeaponsDiscontinued
RPK
Submachine GunsIn production
Overview
Spec
RP-46
RPK
Production
1946–1961
1961–Present
Units produced
Unknown
~10,000,000+ units (including all variants and licensed copies)
Specifications
Spec
RP-46
RPK
Overall length
1,272 mm
940 mm (37.0 in) with stock extended; 860 mm (33.9 in) with stock folded (RPK-74M)
Barrel length
605 mm
415 mm (16.3 in) standard; 460 mm (18.1 in) RPK-74 variant
Weight
13.0 kg
4.8 kg (10.6 lb) empty (RPK); 4.5 kg (9.9 lb) empty (RPK-74)
Magazine capacity
Belt-fed (250 rounds) or 47-round pan
30‑round AK‑type box magazine standard; 40‑round box (RPK‑74); 75‑round drum (optional); 100‑round drum (rare)
Action type
Gas-operated, flapper locked
Long‑stroke gas piston, rotating bolt, closed‑bolt operation; reinforced bolt carrier group for sustained fire
Trigger type
Full auto only
Single‑stage military trigger with selector for safe, semi‑automatic, and fully automatic fire
Sights
Adjustable rear tangent
Adjustable rear leaf sight (100‑1000 m); hooded front post; optional night sight dovetail