FACTS ABOUT COLT COMBAT UNIT RAIL GUN 45 REVEALED

I was questioning the exact same matter.  Small amp TIG welding may very well be The solution to simply welding the roll marks.  Exactly what is the perpose of copper?However, I'm on journey so I can not article pictures from the bolt.  It truly is MPC engraved.  The one marking over the carrier could be the "C" stamp over the still left side.