Wilson Combat AR15/M16 Round Wire 17/7 Buffer Spring Stainless. The spring weight is 5percent more than the traditional mil spec design which makes it perfect for use in our PROTECTOR series builds. Our springs also come with a higher tension for better cycling and dependable performance. With its unique design the Wilson Combat enhanced Mil-Spec 17-7 buffer spring is sure to provide superior performance in any rifle build. Get yours today and enjoy years of reliable functioning Mil-Spec 17-7 stainless round wire buffer springs Rust resistant 5percent heavier than traditional mil-spec design Higher tension for better cycling and dependable performance Unique design offers superior performance in any rifle build Long-lasting durability and reliable functioning Features: The Wilson Combat enhanced Mil-Spec 17-7 stainless round wire buffer springs deliver rust resistance improved loading and greater durability than any other regular music wire Mil-Spec buffer springs. Specifications for Wilson Combat AR15/M16 Round Wire 17/7 Buffer Spring: Manufacturer: Wilson Combat Color: Silver Finish: Silver Fabric/Material: Stainless Steel Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Features of Wilson Combat AR-15 Buffer Spring: Mil-Spec 17-7 stainless round wire buffer springs Rust resistant 5percent heavier than traditional mil-spec design Higher tension for better cycling and dependable performance Unique design offers superior performance in any rifle build Long-lasting durability and reliable functioning Package Contents: Wilson Combat AR-15 Buffer Spring What firearm models does the manufacturer say Wilson Combat AR15/M16 Round Wire 17/7 Buffer Spring is compatible with? The manufacturer says that Wilson Combat AR15/M16 Round Wire 17/7 Buffer Spring is compatible with AR-15Wilson Combat TR-EBS15-SS: AR15/M16 Round Wire 17/7 Buffer Spring Stainless