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...

Hogue 79127 Piranha G-Mascus Grip Fits Ruger Mark IV 22/45, Black/Gray- Exotic black/gray G10 grip panel material looks like "Damascus" color patterns and is machined to Piranha style gripping surface. G10 grip panels are precision machined...

Ruger Mark IV™ 22/45™ 10-Round Mags (2-Pack)- 2- Pack (two) steel, 10-Round, .22 caliber magazines for the Ruger® Mark IV™ 22/45™ and Mark IV™ 22/45 Lite®. New Electroless Nickel finish is super slick. Fits, feeds, and functions better than blue...

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...

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...

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...