Timber Creek AR Forward Assist Assembly Kit FDE AR15/10 Mil-Spen Uppers AR FA FDE. Availablie in 10-Colors and comes with Spring and roll pin. Specifications for Timber Creek AR Forward Assist Assembly Kits: Manufacturer: Timber Creek Condition: New Fabric/Material: Aircraft Grade Aluminum Gun Model: AR-10 AR-15 Gun Make: AR Platform Gun Type: Rifle Features of Timber Creek AR Forward Assist Assembly Kits CNC Machined out of Aircraft Grade Aluminum fits any Milspec AR15/10 Upper Package Contents: Timber Creek AR Forward Assist Assembly Kits Includes all harware for installing What firearm models does the manufacturer say Timber Creek AR Forward Assist Assembly Kits is compatible with? The manufacturer says that Timber Creek AR Forward Assist Assembly Kits is compatible with AR-15 AR-10Timber Creek AR FA FDE: AR Forward Assist Assembly Kit FDE AR15/10 Mil-Spen Uppers