Tandemkross

Ultimate Trigger Kit for Ruger 10/22 Flat-faced, textured trigger shoe offers the ultimate purchase and control for faster shooting, removes pre-travel and is post-travel adjustable Completely redesigned sear and hammer produce crisper, smoother trigger...

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...

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,...

Guardian 10/22® Bolt ReleaseOne Hand Pull Back and Release to Drop the Bolt  Releasing the bolt on a factory original 10/22® requires the operator to manipulate the bolt lock with one hand while releasing the bolt with the other. The...