AR-15 vs Colt Canada C7

1964–Present

1984–present

12,000,000+ units (combined military, law‑enforcement, and civilian production)

Over 200,000

840 mm (33.1 in) with stock extended (16 in barrel), 730 mm (28.7 in) with stock collapsed (14.5 in barrel)

1,006 mm

406 mm (16 in) standard, 368 mm (14.5 in) carbine, 508 mm (20 in) designated marksman, 254 mm (10 in) pistol‑length

510 mm

3.2 kg (7.1 lb) empty (16 in barrel, without optics)

3.2 kg

30 rounds standard, 10/20/40/60 round options, drum magazines up to 100 rounds

30 rounds

Direct‑impingement gas system (original) or short‑stroke gas piston (aftermarket/variant), rotating bolt, semi‑automatic or select‑fire

Gas-operated, direct impingement

Single‑stage semi‑automatic trigger; military select‑fire models use a two‑stage fire selector with safe, semi, burst, and automatic modes

Single stage

Standard: detachable flip‑up rear iron sight and fixed front post; many models equipped with Picatinny rail for optical, holographic, or night sights

Adjustable rear aperture