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 that slips on and secures with the original 4 grip...

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 placement for better grip and control. - This oversized,...

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 placement for better grip and control. - This oversized,...

Tandemkross "Victory" Trigger Replacement for Ruger Mk IV Silver Features:

Tandemkross "Victory" Trigger Replacement for Ruger Mk IV Silver Features:

Advantage Left Side 10/22­® Charging Handle and RailClear Jams with Your Left Hand While Aiming With Your Right!  Competition shooters need it. Everyone else just loves it. The 10/22 Advantage left side charging handle and scope base rail lets...

Halo Charging Ring for Ruger® Mk III/Mk IV® & 22/45   The Halo is an easy to grip "pull ring" that attaches to your Ruger Mk III/Mk IV bolt. It makes it easy to pull the bolt back for anyone... Big or small, strong or weak...

Tandemkross "Victory" Trigger, BlackReplacement for Ruger Mk III and Mk IV 22/45Features at a Glance:Flat faced for better control and feel100% Adjustable for pretravel and overtravelLightweight skeletonized designFits MKIII or MKIV, Original or...

Tandemkross Mark III (22/45) Hammer Bushing for Magazine Disconnect-Stainless SteelCompatibility: MKIII -ALL MODELS MKIII 22-45 MKIII 22-45 Competition MKIII 22-45 Government Target MKIII 22-45 Target MKIII Competition MKIII Government Target MKIII...

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, it's important to mount the game changer with the ports...

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 any other brand of sear and hammer with the TANDEMKROSS...

Folding Picatinny ButtstockFits 10/22 Manicore Chassis and Other Picatinny Stocked Guns At a Glance: Fits 10/22 Manticore Chassis Standard picatinny mount to fit many common platforms Sturdy folding hinge can be configured to hold to the left or to the...

Krossfire Bolt for Ruger® Mark IV™ & 22/45™ A TandemKross Bolt with Black DLC Finish Assembled with TandemKross Firing Pin, Extractor, and Guide Rod Includes Integral Halo Charging Ring for Improved Clearing and Charging Upgrade...

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...

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...