{"product_id":"porter-machine-works-threaded-top-cap","title":"Porter Machine Works Threaded Top Cap","description":"\u003cp\u003eA threaded replacement top cap for Porter Machine Works 4-bolt rings and Unimounts. It lets you bolt the Porter Picatinny accessory rail (or a plate) on top of the ring, for mounting a rangefinder, light or other accessory above the scope.\u003c\/p\u003e\u003cp\u003e30mm and 34mm are normally in stock. 35mm and 36mm are made to order by Porter Machine Works, so allow extra time for these.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplaces a standard 4-bolt top cap\u003c\/li\u003e\n\u003cli\u003eThreaded to take the Porter Picatinny rail or an accessory plate\u003c\/li\u003e\n\u003cli\u003eMade in Sydney from aluminium\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Porter Machine Works\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e 30mm, 34mm, 35mm and 36mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart numbers:\u003c\/strong\u003e 30TTC\/4, 34TTC\/4, 35TTC\/4, 36TTC\/4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessory screws:\u003c\/strong\u003e M4x10 T20 Torx, 12 in-lb\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Porter Machine Works","offers":[{"title":"30mm","offer_id":54871028564252,"sku":"PMW-30TTC\/4","price":55.0,"currency_code":"AUD","in_stock":true},{"title":"34mm","offer_id":54871028597020,"sku":"PMW-34TTC\/4","price":55.0,"currency_code":"AUD","in_stock":true},{"title":"35mm","offer_id":54871078175004,"sku":"PMW-35TTC\/4","price":55.0,"currency_code":"AUD","in_stock":true},{"title":"36mm","offer_id":54871078207772,"sku":"PMW-36TTC\/4","price":55.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0835\/1516\/files\/DSC4830.jpg?v=1794189619","url":"https:\/\/www.magnumsports.com.au\/products\/porter-machine-works-threaded-top-cap","provider":"Magnum Sports","version":"1.0","type":"link"}