{"product_id":"carlsons-bismuth-bone-buster-20-gauge-winchester-invector-mid-range-choke-tube-17-4-stainless-steel","title":"Carlsons Bismuth Bone Buster 20 Gauge Winchester Invector Mid-Range Choke Tube - 17-4 Stainless Steel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eCarlsons Bismuth Bone Buster\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e20 Gauge\u003c\/span\u003e\u003c\/strong\u003e choke tube purpose-built to deliver tight, dense patterns with \u003cstrong\u003ebismuth\u003c\/strong\u003e shotgun ammunition. Designed specifically for the unique ballistic properties of bismuth shot, the Bone Buster features a longer parallel section inside the choke than conventional factory chokes, helping squeeze every pellet into a uniform, lethal pattern at working ranges.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis choke is configured for the \u003cstrong\u003eWinchester Invector\u003c\/strong\u003e thread pattern and is \u003cstrong\u003eCNC precision-machined from 17-4 PH heat-treated stainless steel\u003c\/strong\u003e for outstanding corrosion resistance and a lifetime of reliable use in harsh waterfowl conditions. The \u003cstrong\u003eMid-Range\u003c\/strong\u003e constriction of \u003cstrong\u003e.025\"\u003c\/strong\u003e sits between open and full, making it a versatile choice for mid-distance ducks, geese and other waterfowl running non-toxic bismuth loads.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eOne choke tube is included. Whether you're patterning bismuth loads through a Winchester Invector-equipped shotgun or fine-tuning a modern waterfowl rig, the Bismuth Bone Buster is engineered to tighten patterns and put more pellets on target.\u003c\/span\u003e\u003c\/p\u003e","brand":"Carlsons","offers":[{"title":"Default Title","offer_id":55000200413506,"sku":"139371","price":44.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_ed51f6e0-f19a-485c-9808-bcd5176892ce.png?v=1784403984","url":"https:\/\/centerfiresystems.com\/products\/carlsons-bismuth-bone-buster-20-gauge-winchester-invector-mid-range-choke-tube-17-4-stainless-steel","provider":"Centerfire Systems","version":"1.0","type":"link"}