Tandemkross

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 Barrels Drop-In Ready... Fits All Ruger Mark IV 22/45...

TandemKross “KrossFire” Bolt for Ruger® 10/22®Precision Secured Firing Pin Gives Consistent IgnitionFire Starter Titanium Firing Pin Gives Faster LocktimeEagle's Talon Extractor Gives More Reliable ExtractionPrecision Machined and Radiused for...

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 with the TANDEMKROSS...

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 reliable to operate. Tip the knob in to release and out...

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 interior fits most handguns. Outside it features 7...

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 "Bumper Pads" on their magazine bases to enhance their...

Ruger MKIV 22/45 Race Gun Kit Black- All of the most popular MKIV 22/45 Pistol accessories from Tandemkross, favorites in speed shooting sports like the "Rimfire Challenge" and "Steel Challenge". Here's what you get:1 "Halo" Charging Ring1 "Victory"...

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 MKIV to fire whether or not the magazine is inserted...