AK4D vs FN FNC

1998–Present

1983–Present

~2,500 units (estimated)

~250,000 estimated

950 mm (37.4 in) with stock extended, 770 mm (30.3 in) folded

910 mm (35.8 in) with stock extended, 730 mm (28.7 in) with stock folded

508 mm (20 in) standard, 406 mm (16 in) for AK4 base model

415 mm (16.3 in) standard, 305 mm (12.0 in) carbine version

3.45 kg (7.6 lb) empty, 3.75 kg (8.3 lb) with bipod and optics

3.45 kg (7.6 lb) empty, 3.80 kg (8.4 lb) with full magazine

30 rounds standard STANAG, 20/40 round magazines compatible

30 rounds standard STANAG, 20‑round and 40‑round drum options available

Short‑stroke gas piston, rotating bolt, closed‑bolt operation

Short‑stroke gas piston, rotating bolt, closed bolt

Two‑stage military trigger, adjustable pull weight for designated‑marksman role

Two‑stage military trigger with fire selector lever (Safe/Semi/Auto)

Standard AK4 iron sights (adjustable rear aperture, hooded front post) plus provision for 4×24 telescopic sight and optional flip‑up night sights

Adjustable rear aperture (100–400 m) and hooded front post; optional rail‑mounted optics