HCAR (Heavy Counter Assault Rifle) vs RPK-74

2015–present

1974–present

Limited

Approximately 1,000,000

1,067mm (42 in) stock extended

1060 mm

508mm (20 in)

590 mm

5.4 kg (12 lb) empty

4.7 kg

20 or 30-round detachable box

45 rounds

Gas-operated, open bolt (auto) / closed bolt (semi)

Long-stroke gas piston

Selective fire

Single stage

Full-length Picatinny rail for optics, backup iron sights

Adjustable tangent rear, hooded front