The Tandemkross Halo Charging Ring Ruger Mark III/IV/22/45 is a purpose-built charging aid designed to make running your Ruger rimfire pistol smoother and more comfortable. Machined with a loop-style...

The Tandemkross Halo Charging Ring Ruger MKIII/MKIV & 22/45 Red is a purpose-built charging aid designed to make running your Ruger rimfire pistols smoother and more comfortable. Its loop-style ring...

The Tandemkross Halo Charging Ring Ruger MKIII/MKIV & 22/45 Silver is a purpose-built charging handle upgrade that makes running your rimfire pistol smoother and more comfortable. Machined to wrap...

The Tandemkross HiveGrip For AR-15 is an ergonomic replacement pistol grip designed to give AR shooters a more secure and comfortable hold. Featuring a distinctive hex-pattern texture and finger...

The Tandemkross HiveGrip For Ruger Mark IV 22/45 Black is an ergonomic replacement grip designed to give Ruger Mark IV 22/45 shooters a more secure and comfortable hold. Featuring a contoured profile...

The Tandemkross HiveGrip For S&W Victory brings a secure, confidence-inspiring hold to your SW22 Victory pistol. Its contoured shape and textured surface are designed to enhance control while...

The Tandemkross KrossFire Bolt For Ruger 10/22 is a precision CNC‑machined replacement bolt engineered to correct common shortcomings of the factory 10/22 bolt. Cut from hardened tool steel and...

The Tandemkross TK18N0122BLK2 Krossfire Bolt is a precision-machined firearm accessory designed to enhance reliability and smooth cycling for compatible rimfire platforms. Built with a sleek,...

The Tandemkross KrossFire Bolt Ruger Mark IV & 22/45 is a precision-engineered replacement bolt designed to enhance reliability and consistency in your Ruger Mark IV or 22/45 pistol. Built with a...

The Tandemkross Lightened Trigger Spring For Taurus TX22 is a precision-engineered replacement spring designed to refine the feel of your TX22’s trigger pull. Built to work seamlessly with the...

The Tandemkross Mag Follower Buttons Ruger Mark & 22/45 2Pk provides a simple, durable upgrade for Ruger Mark series and 22/45 magazines. Precision machined from brass, these follower buttons offer a...

The Tandemkross Magazine Springs Ruger Mark Series Green 3Pk is designed to refresh and maintain the reliability of your Ruger Mark series pistol magazines. Each spring features a consistent coil...