.45 ACP. 4.125" barrel length. SN: 30543-NM. Hard chrome plated finish overall mounting checkered walnut grips and customized by Armand Swenson. Short recoil operated single action autoloading pistol fed by detachable single stack magazines. Original manufacture mark to right slide reads COLT'S PT. F.A. MFG. CO. HARTFORD, CONN. U.S.A. The right frame and both sides of the ambidexterous safety are marked A.D. SWENSON/GARDENA. CALIF. Custom features include: matted rear slide, custom matted upper slide, engraved borders to slide flanks, checkering to slide stop, ambidexterous grip safety, checkering to forward gripstrap, squared off and checkered triggerguard, vertically serrated adjustable wide target trigger, Smith & Wesson adjustable white outline rear and matted red plastic insert front ramp sights, full length guide rod, custom fitted bushing, barrel and slide cut down to Commander length, and a beveled magazine well. {MODERN}