COLT SMG UPPER NO FURTHER A MYSTERY

The Barrel is yet another price range option from Foxtrot Mike, and it's 16 inches lengthy. Prolonged for the 9mm, but a rifle can be a rifle and I want that 16-inch barrel to really make it so. The Foxtrot Mike barrels are remarkably straightforward. I've dabbled while in the NFA planet for 30 years and haven't seen these made available. Look int