Sturm, Ruger & Co., Inc. has ... ensures permanent sight-to-barrel alignment and higher accuracy potential than conventional moving-slide designs. The Mark IV is compatible with a variety of ...

The most prominent features on the Ruger Mark IV are its fixed barrel, tubular receiver, and reciprocating bolt. Most semi-automatic centerfire pistols have either a non-fixed barrel, reciprocating ...

The gun on the cover, the 22/45 Lite Mark IV, has an aluminum receiver into which the 4.4" long tensioned barrel is screwed. Ruger has figured out the optimum torque to get the best accuracy out ...

The Ruger Mark IV Tactical is one of several currently produced variations that maintains the Nambu-like profile and feel of the original Standard model. It sports a heavy-profile barrel with a ...