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FN MAG / M240 vs MG3

Side-by-side technical comparison

Overview
Spec
FN MAG / M240
MG3
Production
1958–present
1959–present
Units produced
Over 200,000
Over 1,000,000 (including MG 42 production)
Specifications
Spec
FN MAG / M240
MG3
Overall length
1,263mm (49.7 in)
1,225mm (48.2 in)
Barrel length
630mm (24.8 in) standard
565mm (22.2 in)
Weight
12.5 kg (27.6 lb) M240B with bipod
11.5 kg (25.4 lb) with bipod
Magazine capacity
M13 disintegrating link belt, typically 50 or 100 rounds
50-round drum or continuous belt feed
Action type
Gas-operated, open bolt
Recoil-operated, roller-locked delayed blowback
Trigger type
Full auto only
Full auto only
Sights
Adjustable iron sights, Picatinny rail for optics
Adjustable iron sights, optional optics
Calibers