Original US Army M16A1 buffer and spring, mint condition. I have three available.
 
NOTE! This is being sold as collectable with no guarantee it will work in a firearm. Parts must be inspected and tested by qualified and competent gunsmiths or armorers before use in a firearm. Not all firearm parts are interchangeable; use of surplus parts without proper knowledge could cause a firearm to malfunction and cause property damage, injury or death. No overseas shipping.