Midwest Industries Introduces their Chassis made for the Fixed Barrel Ruger 10/22! This model of chassis is compatible with Ruger 10/22 and clones. Available in two different length, the chassis comes in 8" or 13" lengths. They are constructed from 6061 Aluminum and hard coat anodized for a nice black finish. They are a slim, lightweight profile chassis that feature two anti-rotation QD sling sockets, and M-LOK slots for easy customization. Lightweight design with a slim profile True Free Float Design Mounting bolt and wrench included 8" or 13.0" overall length 1.290" Inside Diameter Two built in anti-ro Mfg: Midwest Industries, Inc.