Colt 1917 with Thompson Barrel and Compensator

[baltimoreed]

Too bad there are no fins left on the bbl. Needs the fins to keep it cool.

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[browningautorifle]

Needs the fins to keep it cool.

The fins disappeared on the later barrels anyway. Like the .50 M2 heavy barrel, the theory is the large surface allows more air to circulate around the barrel to remove heat. This one's just strange...