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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Heckler & Koch HK21 vs M2 Browning

Objective Side-by-Side

Heckler & Koch HK21

Heckler & Koch Fábrica de Braço de Prata SEDENA

Heckler & Koch HK21 image

M2 Browning

Active Fabrique Nationale General Dynamics Ohio Ordnance Works Inc. U.S. Ordnance Former Manroy Engineering Sabre Defence Industries Colt's Patent Firearms Manufacturing Company High Standard Firearms Savage Arms Corporation Buffalo Arms Corporation Gener

M2 Browning image

Heckler & Koch HK21 Specs Snapshot

Weight 279.36 oz
Barrel Length 17.7 in
Overall Length 40.2 in
Standard Capacity N/A
Caliber HK21
Action Type blowback
Avg Used Price $18,000.00
Avg New Price $25,000.00

M2 Browning Specs Snapshot

Weight 1344 oz
Barrel Length 45 in
Overall Length 65.1 in
Standard Capacity N/A
Caliber .50 BMG (12.7×99mm NATO)
Action Type recoil-operated
Avg Used Price $30,000.00
Avg New Price $13,500.00

Differences At A Glance

Weight -1064.64 oz
Barrel Length -27.3 in
Overall Length -24.9 in
Standard Capacity
Caliber
Action Type
Avg Used Price -$12,000.00
Avg New Price +$11,500.00