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 Upgrade-able to AR-15 Compatible Grip (order...

Buffer Tube Mount for ManticoreAdapts the Manticore 10/22 to accept milspec buffer tubes so you can mount an AR style buttstock. Accepts mil-spec buffer tubes Single-screw installation Supports straight or angled configuration The Buffer Tube Mount for...

Accelerator Thumb Ledge for Ruger Mark IV 22/45 Provides stability and control for follow-on shots Encourages proper grip Simple, non-permanent installation TANDEMKROSS’s new Accelerator Forward Thumb Ledge helps improve grip and control. With...

Cornerstone Safety Thumb Ledge for Ruger® Mark IV Black - 1911 Style Thumb Safety for Ruger Mark IV. Replaces factory thumb safety without modifying the internals, and improves hand placement for better grip and control. - This oversized,...

Double Kross 10/22 Magazine Two 10 round rotary 10/22 magazines attached at the middle. Shoot the top 10 rounds, flip the magazine over and shoot the bottom 10 rounds. So, you get 20 rounds with the reliability and speed of a 10 round magazine. The sides...

Spitfire Lightweight Barrel for Ruger® 10/22® Lightweight 16" barrel optimized for competition performance Compatible with many M-LOK® accessories 1/2"x28 muzzle threading Introducing the Spitfire Lightweight Barrel for Ruger®...

Eagles Talon Extractor for Ruger 10/22 At a Glance: Machined from hardened tool steel to last a lifetime Unique positive "hook" design grabs casings securely and surely Reduces failures-to-eject and "stove-pipe" malfunctions The TANDEMKROSS...

Hive Grip for AR-15 and Manticore X Features Aggressively textured rubber for material for improved grip and vibration absorption  Ergonomic finger grooves for better control; ideal for speed and accuracy Beavertail designed to support a variety of...

M-LOK Forend for Manticore X 10/22 Chassis At a Glance: Compatible with M-LOK® accessories Adjustable mounting for use on OEM and aftermarket 10/22® fixed barrel receivers Made from lightweight CNC machined aluminum Upgrade your Manticore X...

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 and height to boost the consistency and speed of magazine...

Get A Grip Kit for Ruger MKIV 22/45TANDEMKROSS offers the ultimate grip upgrade for Ruger® Mark IV™ 22/45™: the Get a Grip Kit! Includes three grip-boosting upgrades Forward and rear thumb ledges work together to create ideal hand...

Cthulhu Frame fits All Ruger MKIV Barrels No FFL Required All Aluminum Lower Frame for Ruger MKIV Completely Assembled w/Tandem Kross Competition Parts Drop-In Ready... Fits All Ruger Mark IV Barrels Drop-In Ready... Fits All Ruger Mark IV 22/45...

"Green Springs" Magazine Springs for Ruger® MK Series (3-PACK)Shot-peened spring offers longer life than factory springReduces failure-to-feed issuesReplaces old, broken mag springsUpgrade your Ruger® MK series magazines with aftermarket...

Upgraded 10/22 Receiver Cross PinsThis (2-Pack) includes: Upgraded pins won’t fall out when working on your gun Steel pin is highly durable Spring-loaded ball detent holds pin in place securely, installs easily If you’ve upgraded your...

 The TANDEMKROSS “Thunder” Hammer for SW22® Victory™ is a drop-in replacement hammer that significantly reduces SW22® trigger pull weight. The “Thunder” SW22® Victory™ hammer is precision-machined from hardened S7 tool steel for improved...

Tandemkross "Victory" Trigger Replacement for Browning BuckmarkFeatures:Flat faced for better control and feelTextured Face for better grip100% Adjustable for pretravel and overtravelLightweight skeletonized designFits All Browning Buckmark Pistols - The...

Halo Charging Ring for SW22 Victory Pistols   The Halo is an easy to grip "pull ring" that attaches to your SW22 Victory bolt. It makes it easy to pull the bolt back for anyone... Big or small, strong or weak. Easily rack the bolt to cock...

SW22 Victory Race Gun Kit Black- All of the most popular SW22 Victory 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"...

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 method uses an O-ring for finger-tight,...

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 method uses an O-ring for finger-tight,...