Sig Sauer BBL22045CPTB P220 45 ACP 4.40" Threaded Black Phosphate
https://www.tandktactical.com/shop/798681498383-sig-sauer-bbl22045cptb-p220-45-acp-4-40-threaded-black-phosphate-566
https://www.tandktactical.com/web/image/product.template/566/image_1920?unique=b8b475d
The Replacement barrel for Sig Sauer P220, is chrome lined and phosphated for extreme corrosion resistance.
