Firearms

Sharps Bros SBM4 5.56x45mm 16-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

Sharps Bros SBM4; modernized M4 pattern lower, 16-inch barrel, M-LOK.

Type: Rifle

Action: Semi-Automatic

Caliber: 5.56x45mm NATO

Capacity: 30

Year introduced: 2017, USA

Weight: 62 oz

Overall length: 32.5"

Status: Active

Intended use: General Purpose