The PWS Enhanced 4140 Steel Body H2 .308 Short Buffer has a unique fluted design with minimum contact points so that debris can clear away easily. Surface finish profile is enhanced with a chemically bonded lubrication coating treatment that allows for smoother cycling.
Used for .308 applications and ships with all MK2 series complete lowers and rifles. Shortened to work with AR-10 platforms using standard buffer tubes
Big Book Catalog, Issue:72, Page:041
Big Book Catalog, Issue:73, Page:045