The Mag release button had a horizontal line pattern on it, compared to the circular line pattern identified on The present kinds, see the image underneath for an case in point: Regrettably, I'm on journey so I am unable to publish photographs with the bolt. It really is MPC engraved. https://directorypile.com/listings12970847/the-smart-trick-of-colt-combat-elite-commander-45-acp-that-nobody-is-discussing