Ruger Parts

TANDEMKROSS is an aftermarket firearm parts company that manufactures parts for popular firearms. While their line covers a wide range of firearms, including the usual suspects of AR-15 and 1911 parts, they are known for their Ruger components.

Their Magazine Disconnect Replacement is for Ruger MKIV and MKIV 22/45 pistols. The primary feature is the “Blast Shield” that allows for the safe removal of the magazine disconnect feature, allowing the gun to fire whether or not a magazine is inserted in the firearm. The design also facilitates proper magazine alignment and shields the sear and hammer from debris. Unlike other fixes for the magazine disconnect feature, the “Blast Shield” design ensures magazines stay in proper alignment, reducing failure-to-feed issues.

The Cornerstone Safety Ledge for Ruger MKIV 22/45 pistols is an oversized, 1911-style safety. This part enhances the external factory safety without making any modifications to the internal components of the gun with a simple, drop-in upgrade that uses a factory spacer (included) and does not require any special tools to install. This gives the same thumb placement preferred by many 1911 shooters.

The hiveGrip for Ruger MKIV 22/45 pistols is modeled after TANDEMKROSS’s SW22 Victory grip. Designed specifically with competitive shooters in mind, this grip is flexible with an aggressively-textured surface made from a patented impact and vibration-dampening material. The wraparound hiveGrip is easy to install and remove for cleaning and firearms maintenance.

TANDEMKROSS offers a lifetime guarantee on all of their products. Contact them at or 603/369-7060.

Read more in the June 2018 issue.

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