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...

"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...

Halo Charging Ring for Ruger® Mk III/Mk IV® & 22/45   The Halo is an easy to grip "pull ring" that attaches to your Ruger Mk III/Mk IV bolt. It makes it easy to pull the bolt back for anyone... Big or small, strong or weak...

Tandemkross "Victory" Trigger, BlackReplacement for Ruger Mk III and Mk IV 22/45Features at a Glance:Flat faced for better control and feel100% Adjustable for pretravel and overtravelLightweight skeletonized designFits MKIII or MKIV, Original or...

Tandemkross Mark III (22/45) Hammer Bushing for Magazine Disconnect-Stainless SteelCompatibility: MKIII -ALL MODELS MKIII 22-45 MKIII 22-45 Competition MKIII 22-45 Government Target MKIII 22-45 Target MKIII Competition MKIII Government Target MKIII...

Game Changer Rimfire Compensator  The Game Changer has gas ports on the top and sides so it stabilizes the muzzle and virtually eliminates muzzle rise. With no ports on the bottom, it's important to mount the game changer with the ports...

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,...

Maximus Plus1 Followers for Ruger® MK Series Magazines (2-PACK)- Replacement magazine followers that increase magazine capacity from 10 rounds to 11 rounds. The TANDEMKROSS “Maximus” Plus1 Follower for the Ruger® MK series is a drop-in upgrade...