{"product_id":"polarstar-a-k-sr25-installation-spacer-adapter-kit-for-fusion-engine","title":"PolarStar A\u0026K SR25 Installation Spacer Adapter Kit for Fusion Engine","description":"\u003cmeta charset=\"UTF-8\"\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\" data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eConvert your standard Ver2 Fusion Engine to be compatible w\/ Ver2 Extended receivers (such as SR-25 rifles)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eThe A\u0026amp;K SR-25 Spacer Kit comes with a delrin spacer which gets pressed into the front of the Fusion Engine's cylinder to make the Version 2 engine the same length as the original extended Version 2 gearbox used in the rifle. Also included is a M5x0.8mm nut which is placed inside the rear of the lower receiver for the stocks bolt to thread into instead of the rear of the engine. This kit coupled with the A\u0026amp;K Masada Nozzle (purchased separately) allows the engine to interface with the rifles original M4 type hop-up chamber.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eApplication:\u003c\/b\u003e\u003cspan data-mce-fragment=\"1\"\u003e Mounts to front of PolarStar Fusion Engine. Requires A\u0026amp;K Masada Nozzle.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eCompatibility:\u003c\/b\u003e\u003cspan data-mce-fragment=\"1\"\u003e For Version 2 PolarStar Fusion Engines\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eMaterial:\u003c\/b\u003e\u003cspan data-mce-fragment=\"1\"\u003e Delrin, Steel\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eManufacturer:\u003c\/b\u003e\u003cspan data-mce-fragment=\"1\"\u003e PolarStar\u003c\/span\u003e","brand":"Polarstar","offers":[{"title":"Default Title","offer_id":39331863003276,"sku":"50926, 10000344","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0338\/8925\/5564\/products\/610DFFFE-689B-4B7C-B93D-4C8B5925F44E.jpg?v=1619033222","url":"https:\/\/www.extremeairsoftshop.com\/products\/polarstar-a-k-sr25-installation-spacer-adapter-kit-for-fusion-engine","provider":"Extreme Airsoft RI","version":"1.0","type":"link"}