CMMG offers replacement components for the AR-15 that are made to strict military specifications. These high quality components provide excellent fit and reliable function. These parts are perfect for upgrading existing components or replacing worn or broken parts. This buffer is for use in standard AR-15 carbine tubes using the correct carbine buffer spring.
This heavy buffer from CMMG is designed for 9mm AR15 style weapons and weighs in at 5.3 ounces.