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The M3 Grease Gun
The M3 Grease Gun is an American .45 ACP submachine gun adopted in World War II. It was inexpensive to make and earned its nickname because it resembles a mechanic’s grease gun.
Key facts
- Cartridge: .45 ACP.
- Adopted: during World War II.
- Design: inexpensive to manufacture.
- Nickname: named for its resemblance to a grease gun.
Legal note
Submachine guns are regulated under the National Firearms Act. Follow federal and state law.
Gear
Find .45 ACP ammo at True Shot Ammo and Natchez, get cleaning supplies at Brownells, and use ShellShock hearing protection at the range.
Where to buy the gear mentioned in this post
- Shop ammo and hunting gear at Natchez
- Shop scopes, optics and gear at OpticsPlanet
- Shop parts, tools and cleaning gear at Brownells
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