Accuracy International AXMC vs M16

2010–Present

1964–Present

~15,000 estimated

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

1,050 mm (41.3 in) with stock extended, 970 mm (38.2 in) with stock collapsed

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

406 mm (16 in) standard, 508 mm (20 in) optional for .338 Lapua, 254 mm (10 in) for .308 variants

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

5.6 kg (12.3 lb) empty, 6.2 kg (13.7 lb) with 20‑round .338 Lapua magazine

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

10‑round detachable box standard for .308/.300 Win Mag, 5‑round for .338 Lapua, 7‑round for .300 Norma Magnum

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

Bolt‑action with three‑locking‑lugs, 60° bolt lift, interchangeable bolt head for different cartridges, fully enclosed receiver

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

Adjustable two‑stage trigger, pull weight 0.5–1.0 kg (1.1–2.2 lb) selectable

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

Standard: detachable Picatinny rail for optics, optional low‑power variable 1‑10× scope; backup: flip‑up iron sights on detachable rail

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