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

TandemKross Blast Pack for the Ruger Mark IV and 22/45

TandemKross Blast Pack for the Ruger Mark IV and 22/45, plus their Victory trigger, making their Ultimate trigger kit

With the release of their “Thunder” Hammer and “Lightning” Sear, TandemKross has upped their trigger game. This matched hammer and sear is available for the Ruger Mark IV and 22/45 pistols. If you’re looking to improve the performance of your factory trigger without gunsmithing, it’s the way to go. Drops right in with no fuss, … Read more

UTG Reflex Micro Dot on a Mark IV 22/45

UTG® Reflex Micro Dot, Green 4 MOA Single Dot, Adaptive Base

As I sat down to write about the UTG Reflex Micro Dot, I had to reflect on the past 8 months. If you had asked me in January about reviewing one, I would have given you a puzzled look. While UTG have improved their products by leaps and bounds, I’m partial to another brand. So … Read more

Quick Fix: Magazine Disconnect on the Ruger MKIV 22/45

TandemKross Blast Shield in red, and the parts it replaces behind it

As much as I like the Ruger MKIV 22/45 line of pistols, they can definitely use some improvement. I previously covered all the upgrades I did to my wife’s pistol here. Of the two that I have for myself, one got a similar treatment from TandemKross. But there was one thing that still bugged me … Read more