Bushmaster M17S vs FN F2000

1992–2005

2001–Present

Limited production

~150,000 estimated

762 mm

790 mm (31.1 in) with stock folded, 860 mm (33.9 in) extended

457 mm

508 mm (20 in) standard, 406 mm (16 in) for compact variants

3.5 kg

2.95 kg (6.5 lb) empty, 3.45 kg (7.6 lb) loaded

30 rounds

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

gas-operated

Short‑stroke gas piston, rotating bolt, closed bolt

single-stage (noted for stiffness)

Two‑stage military trigger with fire‑selector lever

Integrated rail

Integrated 1.5× optical sight (foldable), backup iron sights, optional Picatinny rail for reflex or night sights