Colt Confirmed Evidence V&P in triangle marking on left side of your barrel concerning the legs from the entrance sight base: Sad to say, I'm on travel so I am unable to post pics in the bolt. It is actually MPC engraved. The one marking to the provider could be https://gold-cup-trophy-colt-4537023.evawiki.com/9178354/the_basic_principles_of_colt_combat_unit_rail_gun_45