{"product_id":"f17-m4-16-piston-17-wsm-complete-upper","title":"F17-m4 16\" Piston 17 Wsm Complete Upper","description":"The kit includes a complete upper, an F17 series magazine, and an F17 carbine buffer. The F17-M4 upper kit is designed to work with carbine stocks systems. Its buffer will work with either commercial or milspec buffer tubes, and is not designed to work with A2 buffer tubes.\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e\u003cbr\u003e- Type: Complete Piston Operated\u003cbr\u003e- Caliber: 17 Winchester Super Magnum (WSM)\u003cbr\u003e- Sights: None (Optic Ready)\u003cbr\u003e- Barrel Lengt:\t16\"\u003cbr\u003e- Barrel Material: 4140 Chrome Moly\u003cbr\u003e- Twist: 1:9\"\u003cbr\u003e- Barrel Description: Threaded\u003cbr\u003e- Barrel Finish: Black Hard Coat Anodized\u003cbr\u003e- Receiver Description: 7075-T6 Aluminum M4\u003cbr\u003e- Receiver Finish: Black Hard Coat Anodized\u003cbr\u003e- Handguards: Free-Floating\u003cbr\u003e- Handguard Finish: Black Hard Coat Anodized\u003cbr\u003e- Product Model: F17","brand":"Franklin Armory","offers":[{"title":"Default Title","offer_id":22110267605071,"sku":"331444","price":1123.19,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0092\/7861\/9727\/products\/GS331444.jpg?v=1555721996","url":"https:\/\/green-supply3.myshopify.com\/products\/f17-m4-16-piston-17-wsm-complete-upper","provider":"Green Supply3","version":"1.0","type":"link"}