{"product_id":"browning-diana-grade-12-gauge-invector-plus-extended-choke-tube-improved-modified","title":"Browning Diana Grade 12 Gauge Invector-Plus Extended Choke Tube - Improved Modified","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 Invector-Plus \u003cstrong\u003eExtended\u003c\/strong\u003e choke tube is designed for use with \u003cstrong\u003eback-bored\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e12-gauge\u003c\/span\u003e\u003c\/strong\u003e shotgun barrels and produces tighter patterns than the standard Invector-Plus choke line. The extended-profile tube protrudes past the muzzle so constriction can be confirmed at a glance, and it installs and removes by hand without tools.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eEach Diana Grade choke is machined from \u003cstrong\u003estainless steel barstock\u003c\/strong\u003e and heat-treated prior to machining, then finished with a \u003cstrong\u003etitanium nitride\u003c\/strong\u003e surface coating rated at \u003cstrong\u003e72 HRC\u003c\/strong\u003e hardness for excellent wear resistance and reduced plastic wad buildup. This particular tube is the \u003cstrong\u003eImproved Modified\u003c\/strong\u003e constriction.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDiana Grade extended chokes thread directly into Browning's \u003cstrong\u003eInvector-Plus\u003c\/strong\u003e choke system on shotguns equipped with back-bored barrels.\u003c\/span\u003e\u003c\/p\u003e","brand":"Browning","offers":[{"title":"Default Title","offer_id":55635420053826,"sku":"1130563","price":58.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/feed_12f0f307-363c-49b6-9a08-72d2191f7afe.jpg?v=1785794763","url":"https:\/\/centerfiresystems.com\/products\/browning-diana-grade-12-gauge-invector-plus-extended-choke-tube-improved-modified","provider":"Centerfire Systems","version":"1.0","type":"link"}