The TANDEMKROSS Eagle’s Talon Extractor for Ruger® PC Carbine™ and PC Charger™ is a must-have upgrade.

Stay ready for anything with the Essential Maintenance Kit for M&P® 15-22 Sport™! Three handy parts, all critical to your rimfire rifle’s function are all packed into a single convenient kit to keep you up and running.

A slow magazine change can negatively impact your performance in a shooting competition. Making the magazine release easier to find and use is a crucial way to improve the ergonomics and controls on your rimfire rifle.

The Manticore Trigger Assembly for Ruger® 10/22® is a next level, drop-in upgrade! This carefully designed and precision machined housing fully transforms the shooting experience of your favorite rimfire rifle or charger pistol. TANDEMKROSS’S aluminum trigger housing is lightweight and durable.

This accessory is a must have for any Ruger® PC Carbine™. The TANDEMKROSS "Shock Block" Bolt Buffer is a great upgrade and is an inexpensive addition to your Ruger® PC Carbine™

Made of CNC machined 6061-T6 aluminum for long lasting durability

The Ultimate Trigger Kit for Ruger® 10/22® from TANDEMKROSS and Brimstone Gunsmithing offers just that - the ultimate 10/22® trigger upgrade for competitive shooters, precision shooters and anyone who wants a high-performance trigger system in their 10/22® rifle.

Rise above the competition with the TANDEMKROSS “UPRISER” Chassis for the Ruger® PC Carbine®!

The factory Ruger® 10/22® trigger stands out in the rimfire market for its crisp feel and light trigger pull. But even good triggers can be made GREAT! The new TANDEMKROSS “Victory” Trigger for the Ruger® 10/22® is the ultimate 10/22® trigger upgrade - ideal for speed shooting competitors!

The Ruger® PC Carbine™ is quickly gaining popularity among shooting sports competitors, especially with PCC competitions on the rise. The PC Carbine™ is a fantastic gun out of the box, but even a good gun can be made great!

Competitors, Professionals, and Second Amendment enthusiasts alike demand that their firearms be reliable and ready for service at a moment’s notice.

Our plunger is made of stainless steel to offer reliable long life. And a fresh extractor spring can put some pep back in your rifle’s step. All springs eventually begin to lose their resilience over time, so it’s always a good idea to update them every once in a while.