{"product_id":"browning-diana-grade-12-gauge-invector-plus-extended-choke-tube-improved-cylinder","title":"Browning Diana Grade 12 Gauge Invector-Plus Extended Choke Tube - Improved Cylinder","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eBrowning Diana Grade\u003c\/span\u003e\u003c\/strong\u003e Extended Choke Tube is a premium \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e12 Gauge\u003c\/span\u003e\u003c\/strong\u003e constriction designed specifically for shotguns fitted with the \u003cstrong\u003eInvector-Plus\u003c\/strong\u003e choke system. This \u003cstrong\u003eImproved Cylinder\u003c\/strong\u003e variant provides a more open constriction well suited to close-range shooting applications where a wider, more forgiving pattern is desired.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe Diana Grade line represents Browning's top-tier choke tube offering, machined from \u003cstrong\u003e17-4 stainless steel barstock\u003c\/strong\u003e and heat treated for outstanding durability. A \u003cstrong\u003eTitanium Nitride\u003c\/strong\u003e surface coating provides \u003cstrong\u003e72 HRC hardness\u003c\/strong\u003e for excellent wear resistance and reduced plastic wad buildup. The Diana Grade tube also features a longer internal choke taper than standard Invector-Plus tubes, producing tighter and more consistent shot patterns.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMeasuring \u003cstrong\u003e3.125 inches\u003c\/strong\u003e in overall length, this extended choke installs easily in place of any standard Invector-Plus tube and is clearly marked for its Improved Cylinder constriction.\u003c\/span\u003e\u003c\/p\u003e","brand":"Browning","offers":[{"title":"Default Title","offer_id":55308624986434,"sku":"1130583","price":58.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_163043b0-d3a5-4e18-a084-2ad2f53c13b2.jpg?v=1785127573","url":"https:\/\/centerfiresystems.com\/products\/browning-diana-grade-12-gauge-invector-plus-extended-choke-tube-improved-cylinder","provider":"Centerfire Systems","version":"1.0","type":"link"}