Pantheon Arms Flat Wire Carbine Buffer Spring Bronze Stainless. This spring provides a more consistent spring rate increased duty cycle excellent corrosion resistance and reduced noise and vibration. To install just remove your current carbine buffer and spring remove the buffer from the spring and place it into your improved flat wire recoil buffer spring. Specifications for Pantheon Arms Flat Wire Carbine Buffer Spring: Manufacturer: Pantheon Arms Color: Bronze Finish: Stainless Fabric/Material: 17-7 Stainless Steel Gun Make: AR Platform Gun Model: Universal Gun Type: Rifle Condition: New Features of Pantheon Arms Flat Wire Carbine Buffer Spring This spring provides a more consistent spring rate increased duty cycle excellent corrosion resistance and reduced noise and vibration. Note: This is a carbine buffer spring and is not compatible with rifle length buffers/tubes. Package Contents: Pantheon Arms Flat Wire Carbine Buffer Spring What firearm models does the manufacturer say Pantheon Arms Flat Wire Carbine Buffer Spring is compatible with? The manufacturer suggests that Pantheon Arms Flat Wire Carbine Buffer Spring is compatible with UniversalPantheon Arms FWBSC: Flat Wire Carbine Buffer Spring Bronze Stainless