Verified Firearm Specifications

Search our database of normalized firearm specifications. Compare precise weights, barrel lengths, and action types across thousands of unique models.

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FN MAG vs MG 3 machine gun

Objective Side-by-Side

FN MAG

FN Herstal Colt Canada Fabricaciones Militares Heckler & Koch U.S. Ordnance Ordnance Factory Board Royal Small Arms Factory Barrett Firearms Manufacturing

FN MAG image

MG 3 machine gun

Rheinmetall License-built by: Beretta , MKEK , Ellinika Amyntika Systimata, Defense Industries Organization , Military Industry Corporation , Pakistan Ordnance Factories , General Dynamics Santa Bárbara Sistemas

MG 3 machine gun image

FN MAG Specs Snapshot

Weight 416.16 oz
Barrel Length 24.8 in
Overall Length 49.7 in
Standard Capacity N/A
Caliber 7.62×51mm NATO
Action Type gas-operated
Avg Used Price $4,500.00
Avg New Price $8,500.00

MG 3 machine gun Specs Snapshot

Weight 405.6 oz
Barrel Length 22.2 in
Overall Length 48.2 in
Standard Capacity N/A
Caliber 7.62×51mm NATO
Action Type recoil-operated
Avg Used Price $15,000.00
Avg New Price $25,000.00

Differences At A Glance

Weight +10.56 oz
Barrel Length +2.6 in
Overall Length +1.5 in
Standard Capacity
Caliber
Action Type
Avg Used Price -$10,500.00
Avg New Price -$16,500.00