Many years ago, a coworker bought a new Detonics Combat Master. As a died-in-the-wool Colt guy at the time, I expected the worst from his new pistol. I was wrong. The gun was 100% reliable with whatever ammo we were using that day. And shooting carefully as possible from the bench, was surprisingly accurate at 25 yards.

Enjoy your new Combat Master. Were it mine though, after initial function testing, I would detail strip and bead blast it. If you bead blast it properly, it will come out looking brand new. I have a blast cabinet and have done several of my guns over the years. Brownells 270+ glass beads leave a very bright result, while the Harbor freight #80 glass beads will leave a similar, but slightly more matte finish...

Jerry Ahern's Survivalist series were the first books of that type I can recall reading. Thoroughly enjoyed them at the time.

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NRA Life, COTEP 640