Hinderer Knives innovated the concept of the user configurable knife with the legendary XM-18 folder. When the new Hinderer MP-1 folder made its debut people took notice how Rick and the gang were taking the configuration concept to the next level with the introduction of the Hinderer Modular Backspacer System (HMBS). The HMBS allowed the user to change out the backspacer of their knife without even taking the knife apart. Just loosen a set screw, and swap it out. Different materials, colors, and even functions are soon to come.

Well, seeing as how the XM-18 is one of the most successful folders of all time, Rick created a retrofit kit that would allow the user to convert their XM-18 to HMBS. The kit comes with all the hardware you need to perform the conversion and an aluminum backspacer of your color choice. It is super easy to install, so we thought we would give you a quick run-down.

Not to go on a rant, but all tools are not created equal (although you probably know that seeing as how you bought a Hinderer knife). So get decent drivers. When you see a bit set at a…