.45 ACP. 3.5" barrel length. SN: RIA1491595. Parkerized metal finish with polished wood stocks mounting Novak pattern sights. Short recoil operated single action autoloading pistol fed by detachable single stack magazines. Left slide is marked ROCK ISLAND ARMORY with the model marking on the right frame reading M1911-A1CS and the dustcover marked APINTL-PAHRUMP NV/PHILIPPINES. Features include: bushing-less bull barrel, extended beavertail memory groove grip safety, adjustable skeletonized trigger, skeletonized Commander hammer, and a full length guide rod. Item comes in a matching black synthetic hard case with two magazines, factory test casing in package, the owner's manual, and a DVD-ROM of ARMSCOR/USA advertisements.