Tandemkross

Cthulhu Grip Frame fits All Ruger MKIV Barrels No FFL Required All Aluminum Lower Frame for Ruger MKIV Completely Assembled w/TandemKross Competition

Cthulhu Frame fits All Ruger MKIV Barrels No FFL Required All Aluminum Lower Frame for Ruger MKIV Completely Assembled w/Tandem Kross Competition Par

The Ultimate Trigger Kit for the Ruger MKIV & MKIV 22/45 BlackThis “Ultimate” Kit for Ruger® Mark IV™ & Mark IV 22/45 is a matched set of upgrade parts - DO NOT use any other brand of sear and hammer...

TandemKross Pistol Case Black and Red The TandemKase Pistol Bag is purpose‑built for competitive shooters and range enthusiasts who want secure, organized, and safe firearm transport. Designed to fit...

Steel Game Changer Pro Compensator by Tandemkross- Screw on muzzle brake for Ruger MK pistols, SW22 Victory Pistols, Browning Buckmark, and more. Uses existing 1/2x28 muzzle threads. Unique indexing...

Cornerstone Safety and Thumb Ledge for Ruger Mark IV 22/45 Red- 1911 Style Thumb Safety for Ruger Mark IV 22/45. Replaces factory thumb safety without modifying the internals, and improves hand...

Cornerstone Safety and Thumb Ledge for Ruger Mark IV 22/45 Black- 1911 Style Thumb Safety for Ruger Mark IV 22/45. Replaces factory thumb safety without modifying the internals, and improves hand...