X-Die Small Base Sizer Die - 223 Remington Small Base Sizer Die

Small Base Sizer Dies are usually required for reloading ammunition to be used in automatic, semi-automatic, pump, slide and some lever-action rifles. These dies size the body of cases somewhat smaller in diameter and also set the shoulder back slightly more than a Full-Length Sizer Die to ensure proper functioning in the actions of these rifles. Small Base Die Sets not recommended for ammunition used in bolt-action rifles. Mfg: Rcbs