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M16 — specifications, caliber, stats, review, photos | WeaponAtlas

The M16 is an American assault rifle chambered in 5.56×45mm NATO, introduced in 1964. The base model uses a 20-inch barrel, gas operation, and detachable box magazines.

ManufacturerColt's Manufacturing Company
Year introduced1964
Caliber5.56×45mm NATO
Weight (unloaded)2.890 kg
Length986 mm
Barrel length508 mm
Magazine capacity20 rounds

WeaponAtlas is an educational small arms catalog.

Total models in catalog: 692 • Last updated: 2026-05-28 14:38