{"product_id":"anttech-f2-shim-kit","title":"AntTech Airsoft F2 Shim Kit","description":"\u003cp\u003eSimple and brilliant, this shim kit uses the cylinder window and front face your gearbox to lock and fine tune the position of your Polarstar F2. \u003c\/p\u003e\n\u003cp\u003eHPA engines that shift back and forth in the gearbox shell will yield inconsistent and low FPS. Even .1mm of space between your nozzle and bucking can make or break your build’s performance! Too much space = air leak, resulting in major FPS deviation and power loss. Too little space = over inserting BBs, resulting in FPS deviation and inaccuracies. \u003c\/p\u003e\n\u003cp\u003eNow you can set your engine in the optimal position for your given shell, nozzle length, and hop up\/ barrel assembly. \u003c\/p\u003e\n\u003cp\u003eLastly, this method is compatible with all gearbox shells! (Even the KAC Stoner LMG)\u003cbr\u003e\u003cbr\u003e\u003cbutton id=\"Deferred-Poster-Modal-41488997515543\" class=\"deferred-media__poster\" type=\"button\"\u003e \u003cspan class=\"deferred-media__poster-button motion-reduce\"\u003e\u003cspan class=\"visually-hidden\"\u003ePlay video\u003c\/span\u003e \u003cspan class=\"svg-wrapper\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" class=\"icon icon-play\" viewbox=\"0 0 10 14\"\u003e\u003c\/svg\u003e \u003c\/span\u003e\u003c\/span\u003e \u003cimg src=\"https:\/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=1946\" alt=\"\" srcset=\"\/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=246 246w, \/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=493 493w, \/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=600 600w, \/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=713 713w, \/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=823 823w, \/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=990 990w, \/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=1100 1100w, \/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=1206 1206w, \/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=1346 1346w, \/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=1426 1426w, \/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=1646 1646w, \/\/anttechairsoft.com\/cdn\/shop\/files\/preview_images\/hqdefault_0b1ff776-b2ee-44b8-bdc8-aa3f5ff4a959.jpg?v=1762364016\u0026amp;width=1946 1946w\" width=\"1946\" height=\"1460\" loading=\"lazy\" sizes=\"(min-width: 1200px) 715px, (min-width: 990px) calc(65.0vw - 10rem), (min-width: 750px) calc((100vw - 11.5rem) \/ 2), calc(100vw \/ 1 - 4rem)\"\u003e \u003c\/button\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"AntTech Airsoft","offers":[{"title":"Default Title","offer_id":67764024148061,"sku":null,"price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/1008\/4957\/files\/CEF28DC3-836C-4A42-BB56-E445DB9AE89B.webp?v=1792189454","url":"https:\/\/brillarmory.com\/products\/anttech-f2-shim-kit","provider":"BRILL ARMORY","version":"1.0","type":"link"}