Guntec USA AR-10 Chrome Car Stock Spring, .308 Cal

CAR/M4 Size For AR-10 .308 Cal Chrome/Teflon Coated Smoother Cycling And Alot More Quiet Fits Mil-spec/Commercial Buffer Tubes Specifications for Guntec USA AR-10 Chrome Car Stock Spring, .308 Cal: Manufacturer: Guntec USA Color: Silver Fabric/Material: Chrome Gun Model: AR-10 Package Contents: Guntec USA AR-10 Chrome Car Stock Spring, .308 Cal