Firearms

Benelli Benelli M4 12 ga 18.5-inch

Schematic

Open full size ↗

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

The M4 is Benelli's dual-ARGO gas-operated semi-auto shotgun adopted by the USMC as the M1014, regarded as the most reliable semi-auto combat shotgun in history.

Type: Shotgun

Action: Semi-Automatic

Caliber: 12 ga

Capacity: 7

Year introduced: 1998, Italy

Weight: 88 oz

Overall length: 40"

Status: Active

Military use: Yes

Intended use: Military, Law Enforcement, Home Defense, Competition