Firearms

Colt's Manufacturing M2HB .50 BMG

Specifications

About

Notable Variants

Aftermarket Ecosystem

Historically Significant Examples

Serial Number Data

Production data from factory records and collector research. Year ranges are approximate for pre-1968 firearms.

Years	Serial Range	Count	Factory	Country	Confidence

John Browning's heavy machine gun firing the .50 BMG cartridge. "Ma Deuce" — standard US heavy MG for 90+ years. Anti-aircraft, anti-vehicle, anti-infantry. The longest-serving firearm in US military history.

Type: Machine Gun

Action: Recoil-Operated

Caliber: .50 BMG (12.7x99mm)

Capacity: 110

Year introduced: 1933, USA

Weight: 1920 oz

Overall length: 65.1"

Status: Active

Military use: Yes

Intended use: military