AK4D vs Steyr ACR

1998–Present

1989–1994

~2,500 units (estimated)

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

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

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

30 rounds standard STANAG, 20/40 round magazines compatible

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

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

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