AK4D vs M16

1998–Present

1964–Present

~2,500 units (estimated)

8,000,000+ units (including all variants and licensed production)

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

990 mm (39 in) with stock extended; 860 mm (33.9 in) with stock collapsed (carbine)

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

508 mm (20 in) standard; 406 mm (16 in) for carbine variants

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

3.26 kg (7.2 lb) empty, standard rifle; 3.40 kg (7.5 lb) carbine

30 rounds standard STANAG, 20/40 round magazines compatible

30 rounds standard STANAG; 20, 40, 60 round options and drum magazines available

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

Direct‑impingement gas system with rotating bolt, short‑stroke operation

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

Single‑stage military trigger; three‑round burst mechanism on A2/A4 models

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

Standard: detachable carrying handle with integrated rear aperture (M16A1) or flat‑top receiver with Picatinny rail and removable iron sights (A4); front post fixed