Heckler & Koch HK21
Heckler & Koch Fábrica de Braço de Prata SEDENA
Verified Firearm Specifications
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Heckler & Koch HK21 vs MG 81 machine gun
Objective Side-by-Side
MG 81 machine gun
MG
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
MG 81 machine gun Specs Snapshot
Weight
236.8 oz
Barrel Length
18.7 in
Overall Length
38 in
Standard Capacity
N/A
Caliber
7.92×57mm Mauser 7.62×51mm NATO (post-war)
Action Type
recoil-operated
Avg Used Price
$5,760.00
Avg New Price
$8,000.00
Differences At A Glance
Weight
+42.56 oz
Barrel Length
-1 in
Overall Length
+2.2 in
Standard Capacity
Caliber
Action Type
Avg Used Price
+$12,240.00
Avg New Price
+$17,000.00
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