We decided to upgrade the sights on our Colt Series 80 Officer’s ACP. In addition to adding a Heine Ledge rear sight, we needed to replace the factory front sight with a new tritium model. The new sight will require a dovetail cut, unlike the staked version from the factory.
Sporter contour rifle barrels have a radius cut by the shank (“E” in the diagram below). This is different from straight tapered barrels typically encountered on match rifles. Sporter contours are frequently used on hunting […]
Parker Otto (P.O.) Ackley was a well known author and gunsmith who improved standard metallic cartridges by decreasing the body taper and increasing the shoulder angle. These changes provided increased case capacity and increased ballistic […]