TandemKross

Manticore X Lower for Ruger® 10/22®Foundation for a Modular 10/22 Chassis System Fully Customized TK Lower and Trigger Assembly Re-Engineered Into a Rigid 10/22 Chassis Foundation User...

The Ultimate Trigger Kitfor the Ruger MKIV & MKIV 22/45 RedThis “Ultimate” Kit for Ruger® Mark IV™ & Mark IV 22/45™ is a matched set of upgrade parts - DO NOT use...

The Titan Extended Magazine Release for Ruger® Mark IV™ 22/45™ is a simple, drop-in replacement for the smaller factory magazine release, and offers significantly more surface area...

"Get a Grip Kit" for Ruger® MKIV™ 22/45™The “Get a Grip” Kit includes the TANDEMKROSS “Cornerstone” Safety Thumb Ledge, TANDEMKROSS “hiveGrip” and Striplin Custom Gunworks forward thumb ledge in one,...

Cthulhu Grip Frame fits All Ruger MKIV Barrels No FFL Required All Aluminum Lower Frame for Ruger MKIV Completely Assembled w/TandemKross Competition Parts Drop-In Ready... Fits All Ruger Mark IV...

TandemKross Pistol Case Black and RedWell Designed TandemKase Pistol Bag fits Ruger MKIV and Others- This new pistol carrying case has all of the features you want in a gun case. Zippered, padded...

Maximus Plus1 Followers for Ruger® MK Series Magazines (2-PACK)- Replacement magazine followers that increase magazine capacity from 10 rounds to 11 rounds. The TANDEMKROSS “Maximus” Plus1...

Blast Shield Mag Disconnect Replacementfor Ruger Mark IV and Mark IV 22/45 Pistols.- This little replacement part shields the sear and hammer from debris, improves magazine alignment, and allows your...

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...

Game Changer Rimfire Compensator  The Game Changer has gas ports on the top and sides so it stabilizes the muzzle and virtually eliminates muzzle rise. With no ports on the bottom,...