Volquartsen 10″ Mark IV Barrel

Volquartsen 10" Mark IV Barrel (suppressor not included)

While stubby, suppressor-ready Ruger Mark IV barrels have been popular lately, I went the opposite route with the 10″ stainless steel match barrel from Volquartsen. This 10″ long by 1″ diameter barrel is built on a genuine Ruger OEM receiver. It’s a beast of a barrel, but also a unique and gratifying shooting experience.   … Read more

Creekside Custom Ruger Mark IV Trigger

Creekside Custom Ruger Mark IV Trigger AKA 19.22 Trigger

The Creekside Custom Ruger Mark IV Trigger (works with Mark III as well) is one of the best upgrades I have found for this pistol. The specific goal in its design was to give the user a “1911” style trigger feel. Its actual name is the Creekside Custom 19.22 Trigger for the MKIII & MKIV.  … Read more

Krossfire Ruger Mark IV Bolt

TandemKross Krossfire Bolt for Ruger Mark IV & 22/45

TandemKross recently released their Krossfire Ruger Mark IV Bolt for Mark IV and 22/45 pistols. It builds on their experience as providers of competition-ready aftermarket parts. They’ve taken all the internal bits that they’ve had for years, and stuffed them into a custom bolt. The result is a drop-in part which improves reliability and performance. … Read more

Tempest Grips and Magwell for the Ruger Mark IV 22/45 from TandemKross

Tempest Grips and Magwell for Ruger Mark IV 22/45 from TandemKross

Adding the Tempest Grips and Magwell to my custom Ruger Mark IV 22/45 made a big difference in ergonomics and performance. And that’s a bold statement for a pistol that has very few Ruger parts left. The entire lower is pretty much all TandemKross. From the Kraken (now Cthulu) lower full of TandemKross parts, to … Read more

Performance Services LLC Ruger Mark IV 22/45 Lite Bolt-on Under-Barrel Picatinny Rail

Ruger Mark IV 22/45 Lite Bolt-on Under-Barrel Picatinny Rail from Performance Services.

Performance Services LLC is a machine shop that turns out some pretty cool firearms accessories. Their Ruger Mark IV 22/45 Lite Bolt-on Under-Barrel Picatinny Rail is one of those items, which you won’t find anywhere else.  The premise is simple enough. Ruger’s Mark IV 22/45 pistol is one of the most popular rimfire pistols on … Read more