"Grease Gun" M3 Submachine Gun - TheFireArmGuy
This video provides an expert overview of the M3 "Grease Gun" Submachine Gun, including its historical context, design features, and current market value. The instructor, demonstrating experienced firearm handling, details the M3's role as a replacement for the Thompson, its $20 production cost, and its rarity, now valued around $25,000. Key operational aspects like the dust cover safety, charging handle, retractable stock, and integrated cleaning tools are explained.










