These kits take away the mystery of fine tuning the Ruger 10/22® action and result in a superb trigger pull and super fast lock time. The 10/22® Hammer Tune Kit produces a lighter trigger pull with a faster lock time. The sear engagement...

The Ruger 10/22® Competition Sear Kit lightens the trigger pull and smooths the trigger return. Hand stoned engagement surfaces. Includes a new sear, extra power sear spring, and two .004" trigger shims. This sear, when used with proper engagement of...

The 10/22® Hammer Tune Kit produces a lighter trigger pull with a faster lock time. The sear engagement surfaces are precision ground and vapor honed. The kit includes a new hammer, extra power hammer spring, two .004" shims and a new trigger return...

Ruger Mark IV Pistol Trigger Shims These trigger shims fit Ruger Mark I, II, III, IV & 22/45 Pistols. They install on the Left Side of the Trigger, between the Trigger and the #AN37 Bolt Stop Assembly. Installing a Shim here will stop the Trigger...

YoDave Marlin 336 Reduced Power Finger Lever Spring No more fighting to click the lever into the fire position on Marlin Model 1894, 1895, 336 and 444 models! Polishing the mating surfaces of the lever and the plunger as well as the addition of a reduced...

 YoDave Marlin 39A Reduced Power Hammer Spring Reduce the force required to open your lever and cycle the bolt by reducing the force of the spring acting on the hammer without sacrificing consistent primer strikes and ignition, ease of cycling is...

Springs for the JARD CZ-457 Trigger Replacement springs to change pull weight on the JARD CZ-457 Trigger. These are the springs shown in the JARD CZ-457 Trigger instruction manual. You can swap in a stronger or a lighter spring to change the pull weight...

YoDave CZ-457 Trigger Spring Kit  With this kit, you can reduce the CZ-457 trigger pull to approximately half of what the factory spring will adjust down to. Used in conjunction with the sear adjustment screw located on the front of the trigger...

Colt SA Revolver RP Shooters Pak This Shooter's Pak includes a Wolff reduced power mainspring, a reduced power sear/bolt spring (flat-type), extra power base pin spiring and stainless steel hand ejector spring. These kits offer great improvement in the...

Colt SAA Revolver RP Shooters Pak This Shooter's Pak includes a Wolff reduced power mainspring, a reduced power sear/bolt spring (wire-type), extra power base pin spiring and stainless steel hand ejector spring. These kits offer great improvement in the...

Scorpion Frame fits All Ruger MKII and MKIII Barrels Hogue Grips No FFL Required... Order and take delivery personally! All Aluminum Lower Frame for Ruger Mark II, III, and 22/45 Completely Assembled w/Volquartsen Competition Parts Drop-In Ready.....

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...

Volquartsen Mk IV and Mk IV 22/45 Competition KitAlso Converts Mk IV and Mk IV 22/45 Pistols to Eliminate the Magazine Disconnect  Trying to figure out which parts are needed to take the Ruger MKIV and 22/45 to the next level? Look no...

Volquartsen VC2AK-S-ST Accurizing Kitfor Ruger Mark II, III, and 22/45, Silver/Stainless Trigger- Drop In Target Grade Accurizing Kit with silver extended bolt release and stainless trigger to provide a crisp, clean 2.25lb trigger pull (pull may vary...

CNC-Machined Disconnector for MK IV This MKIV Disconnector is CNC-Machined from 416 stainless steel (the factory disconnector is a sheet metal stamping). The machining process allows several design changes to the the way the disconnector functions. We...