AK4D vs Kel-Tec SU16

1998–Present

2003–present

~2,500 units (estimated)

Unknown

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

940 mm (foldable to 660 mm)

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

406 mm

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

2.27 kg

30 rounds standard STANAG, 20/40 round magazines compatible

10 to 30 rounds

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

gas-operated

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

single-stage

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

Iron sights or rail