Spec
Accuracy International Arctic Warfare (AWM)
M16
Overall length
1,150 mm (45.3 in) with stock extended; 1,030 mm (40.6 in) with stock collapsed (folding stock models)
990 mm (39 in) with stock extended; 860 mm (33.9 in) with stock collapsed (carbine)
Barrel length
508 mm (20 in) standard for .338 Lapua Magnum; 406 mm (16 in) for .300 Win Mag variants
508 mm (20 in) standard; 406 mm (16 in) for carbine variants
Weight
6.5 kg (14.3 lb) empty (standard model, .338 Lapua); 5.9 kg (13.0 lb) empty for .300 Win Mag version
3.26 kg (7.2 lb) empty, standard rifle; 3.40 kg (7.5 lb) carbine
Magazine capacity
5‑round detachable box magazine standard; optional 10‑round magazines available for .338 Lapua Magnum
30 rounds standard STANAG; 20, 40, 60 round options and drum magazines available
Action type
Bolt‑action with three‑locking lugs, 60° bolt lift, fully enclosed receiver; free‑floating heavy barrel with threaded muzzle for suppressor or muzzle brake
Direct‑impingement gas system with rotating bolt, short‑stroke operation
Trigger type
Adjustable two‑stage trigger, pull weight 1.5–2.5 kg (3.3–5.5 lb), with safety lever on the left side of the receiver
Single‑stage military trigger; three‑round burst mechanism on A2/A4 models
Sights
Standard: detachable Picatinny rail for optics; optional backup iron sights (fold‑up leaf rear, fixed front post) mounted on the chassis
Standard: detachable carrying handle with integrated rear aperture (M16A1) or flat‑top receiver with Picatinny rail and removable iron sights (A4); front post fixed