This parts kit is designed to support the installation of a MAG1076 Magpul PC Carbine Backpacker Stock (Ruger Part #13009) on 9mm and 40 S&W PC Carbine models equipped with chassis and/or tubular handguards. Models equipped with chassis and/or tubular handguards utilize a Modular Handguard Mount that needs to be replaced with a standard Takedown Block in order to mount the Magpul Backpacker Forend.

This kit includes the following parts to make that changeover: takedown block, safety detent plunger, locking lever, locking plunger detent, locking plunger and assorted screws and springs to assemble the block and install the handguard.

Complete instructions included with the kit simplify installation. Genuine Ruger® Factory Accessory.