Tandemkross

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...

TK Bolt Keeper Extended Bolt Release fits Ruger 10/22® - A drop-in upgrade for your 10/22 Bolt Release, the TK Bolt Keeper mounts a nice big KNOB to the bolt release... Making it easy to find and...

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...

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 Follower...

MarkPro Mag Bumpers for Ruger Mark IV 22/45 (2-Pack)- Package includes two bumper pad magazine bases to install on your factory Ruger MKIV 22/45 magazines. Action Pistol Shooters always install...

Ruger MKIV 22/45 HIVE Grip- An aggressively textured, bee hive patterned, wrap around MKIV 22/45 grip with ergonomic finger grooves and vibration dampening rubber material. This is a one-piece grip...