Midwest Industries Inc made chassis for the Ruger PC Carbine Only compatible with new Ruger PC Carbine 9mm/40 cal Take Down Models Features Easy Installation Chassis is Designed to Retain the Factory Iron Sights Constructed from 6061 Aluminum Hard Coat Anodized Two Anti-Rotation QD Sling Sockets Rail on Receiver for Clamp On Stock Retains Factory Easy-Change Magazine Well Weight 1lb 6oz Installed All Tools and Mounting Hardware Included *Not compatible with AR grips that have beavertails* *Side folding stock/brace not included* Only compatible with new Ruger 9mm/40 cal PC Carbine T Mfg: Midwest Industries, Inc.