{"product_id":"atlas-bipod-bt20-b-aais-bottom-rail","title":"Atlas Bipod BT20-B AAIS Bottom Rail","description":"\u003cp\u003eThe \u003cb\u003eAtlas Bipod BT20-B AAIS Bottom Rail\u003c\/b\u003e is the 1913 bottom rail only for the BT19 spigot — the same rail found on the BT21 — with blind threaded holes, used for adaption work and custom mounting solutions.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eHow It Compares\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eWant the full set? The \u003ca href=\"\/products\/atlas-bipod-bt20-aais-1913-rail-set\"\u003eBT20 3-rail set\u003c\/a\u003e. Requires the \u003ca href=\"\/products\/atlas-bipod-bt19-accuracy-international-spigot-aais\"\u003eBT19 AAIS spigot\u003c\/a\u003e. Browse all \u003ca href=\"\/collections\/bipods-monopods\"\u003ebipods \u0026amp; monopods\u003c\/a\u003e and the full \u003ca href=\"\/collections\/b-t-industries\"\u003eB\u0026amp;T Industries range\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eIdeal For\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCustom adaption projects\u003c\/li\u003e\n\u003cli\u003eBT19 owners needing only the bottom rail\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine B\u0026amp;T Industries Atlas accessory\u003c\/li\u003e\n\u003cli\u003e1913 bottom rail with blind threaded holes\u003c\/li\u003e\n\u003cli\u003eSame rail as found on the BT21\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eType\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1913 bottom rail for BT19 AAIS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eHoles\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eBlind threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eBrand\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eB\u0026amp;T Industries, LLC (USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSKU \/ MPN \/ UPC\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eBT20-B \/ BT20-B \/ 810040220265\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cb\u003eWhat's Included\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e1× Atlas BT20-B bottom rail\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eUK Delivery \u0026amp; Support\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eThis Atlas accessory is dispatched tracked from our UK warehouse — no import duties or customs delays — backed by UK-based aftersales support.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eWhat's it for?\u003c\/b\u003e\u003cbr\u003eAdaption — the blind threaded holes let you build custom mounting solutions around the 1913 profile.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eBT20 or BT20-B?\u003c\/b\u003e\u003cbr\u003eThe BT20 is the full 3-rail set for the BT19; the BT20-B is the bottom rail only.\u003c\/p\u003e","brand":"B\u0026T Industries","offers":[{"title":"Default Title","offer_id":58345967812982,"sku":"BT20-B","price":29.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0337\/3216\/5771\/files\/atlas-bipod-bt20-b-aais-bottom-rail-1.jpg?v=1786216285","url":"https:\/\/xtremetactical.co.uk\/products\/atlas-bipod-bt20-b-aais-bottom-rail","provider":"Xtreme Tactical","version":"1.0","type":"link"}