{"product_id":"b-c-perma-blue-liquid-3oz","title":"Birchwood Casey Perma Blue Liquid 3oz – Cold Blue Finish Touch-Up","description":"\u003cp\u003eBirchwood Casey Perma Blue is a cold blue liquid for restoring and touching up worn or scratched blued steel finishes on firearms. Unlike hot bluing processes that require specialized equipment, this room-temperature formula lets you repair minor finish damage at home without removing the metal from the gun. Ideal for maintaining vintage firearms, repairing handling wear, or refinishing small parts.\u003c\/p\u003e\u003cp\u003eThe 3oz bottle includes an applicator and works on all steel surfaces that accept cold blue. Clean and degrease metal thoroughly before application for best results. Multiple coats produce deeper color. Not suitable for stainless steel or aluminum.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Cold blue liquid finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottle Size:\u003c\/strong\u003e 3 ounces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Metals:\u003c\/strong\u003e Carbon steel, alloy steel (blued finishes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Room temperature touch-up and refinishing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Restore worn blued finishes, cover scratches and handling wear\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Birchwood Casey","offers":[{"title":"Default Title","offer_id":47937361019135,"sku":"BC13125EA","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2856279.jpg?v=1766486752","url":"https:\/\/doublestackstore.com\/products\/b-c-perma-blue-liquid-3oz","provider":"Double Stack Store","version":"1.0","type":"link"}