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M3 Grease Gun vs M3A1 Grease Gun
Side-by-side technical comparison
M3 Grease Gun
Submachine GunsDiscontinued
M3A1 Grease Gun
Submachine GunsDiscontinued
Overview
Spec
M3 Grease Gun
M3A1 Grease Gun
Manufacturer
Production
1942–1945
1944–1945
Units produced
Over 680,000
Approximately 16,000
Specifications
Spec
M3 Grease Gun
M3A1 Grease Gun
Overall length
757mm (29.8 in) stock extended / 579mm (22.8 in) stock folded
762 mm (stock extended) / 579 mm (collapsed)
Barrel length
203mm (8.0 in)
203 mm
Weight
3,700g (8.15 lb) empty
3.47 kg (unloaded)
Magazine capacity
30 rounds
30 rounds
Action type
Blowback, open bolt
Blowback, open bolt
Trigger type
Selective fire (semi/full auto)
Selective fire
Sights
Fixed blade front, flip-up L-type rear (100 and 200 yards)
Fixed blade front, flip-up rear aperture
Calibers
M3 Grease Gun
M3A1 Grease Gun