Ruger Mark IV®

Ruger Mark Series Ambidextrous Combat Low-Rise Holster by Black Dog. Shooters demanded it; the new Black Max Series HMK holster is designed to fit the Ruger® Mark Series (MK-I, MK-II, MK-III, MK-IV & 22/45) .22LR pistols with or without an optic...

Ruger MKIV 22/45 HIVE Grip- An aggressively textured, bee hive patterned, wrap around MKIV 22/45 grip with ergonomic finger grooves and vibration dampening rubber material. This is a one-piece grip that slips on and secures with the original 4 grip...

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...

Volquartsen SureStrike Firing Pin for Ruger MK I, II, III and IV (Including 22/45)   This SureStrike firing pin is designed to eliminate light strikes on the Ruger MK I, II, III and IV pistols (including 22/45). Machined .004" wider than...

High Fiber Optic HiViz Front Sight gives Faster Sight Acquisition- Whether you are hunting or plinking, its often hard to see your front sight against outdoor backgrounds. The fiber optic core of this HiViz front sight puts a bright glowing dot on your...

Ruger MK IV™ / MK III™ Magazine, 10-Round .22 LR- Stainless steel, 10-round, .22 caliber magazine for the Ruger® Mark IV™ and Mark III™ pistols. Design is subject to change without notice. Does not fit any of the Ruger® 22/45™ models.-...

Volquartsen Extended Bolt Release fits Ruger Mark IV Black Slightly Longer and Wider... Makes Releasing the Bolt Easier! Fits Ruger MKIV (Not MKIV 22/45) Finding it too hard release the bolt on the MK IV? Our extended bolt release gives you...

McFadden Ultimate Clip Loader for Ruger Mk II/III/IV Pistols-The Ultimate Clip Loader is for speed loading Ruger Mk II, III, IV, and 22/45 Magazines. Load the hopper with up to 50 rounds of 22 ammo. Shake the loader to align the shells. Then just slip...

Extended Bolt Release for Ruger MK IV (Not 22/45)This part gives a larger, grippier surface for your thumb to engage the Ruger Mark IV bolt release. Releasing the bolt after a magazine change takes less effort and becomes more natural. It's especially...

Adjusts for High or Low Velocity AmmoVolquartsen Recoil Rod and Spring Kit- Provides the best spring tension for reliable function with high or low velocity ammo. This innovative design makes it quick and easy to match your spring weight to your ammo of...

Ruger® Brand Scope Mount for Mk I, II, II, and 22/45 Pistols  Genuine Ruger factory scope mount for your Ruger Mk I, II, III, and 22/45 Pistols. Fits the three screw hole pattern and mounts in front of the rear sight. Features a narrow "22 ring"...

Blast Shield Mag Disconnect Replacementfor Ruger Mark IV and Mark IV 22/45 Pistols.- This little replacement part shields the sear and hammer from debris, improves magazine alignment, and allows your MKIV to fire whether or not the magazine is inserted...

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...

Mark IV™, Mark III™ & 22/45™ Picatinny Rail Factory 1913 style picatinny rail for Mark IV™, Mark III™ and 22/45™. Rail fits firearms with factory pre-drilled receivers. Includes three screws. (Does not fit Mark I and Mark II™ pistols.) Genuine...

Patridge style target sight fits on 4.5'' Volquartsen LLV (Mk II/III) and LLV4 (Mk IV) Competition Pistol Uppers.

Patridge style target sight fits on 6'' Volquartsen LLV (Mk II/III) and LLV4 (Mk IV) Competition Pistol Uppers.

Magazine Release for Ruger MK IV (not 22/45)Standard size replacement for the extended magazine release that comes on factory Ruger MK IV Hunter and Competition models. This part replaces the extended factory part for users of our Volthane and Laminated...

Volquartsen SureFeed Follower Springs for Ruger MKIV Magazines- The SureFeed Magazine Follower Spring for the Ruger MK IV is 25% stronger than the factory spring. The increased spring rate improves feeding in all Ruger MK IV magazines. The SureFeed...

Volquartsen Exact Edge Extractor- Replaces stamped sheet metal Ruger factory Mk I, II, Mk III, Mk IV, 10/22, and 10/22 Magnum extractor with a closer fitting, sharper edged, machined tool steel extractor for better function and reliability. - The Exact...

Ruger MKIV V-Lock Retainer- An improved bolt stop pin retainer keeps the Ruger MKIV Bolt Stop Pin from drifting or walking out on its own. If you are having issues with the Bolt Stop Cross Pin walking out of your MK IV frame during heavy use, this new...

"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...

Volquartsen Safety Power Spring fits Ruger MKIV- The MKIV safety is very easy to engage... And sometimes you might engage it when you don't want to... Like when you are shooting in a competition. Our Safety Power Spring replaces the factory spring on the...