{"product_id":"450bm-rifle16bl-prkrzd-15kmod-rail","title":"450bm Rifle16\"bl Prkrzd 15\"kmod Rail","description":"American Tactical Imports 450 Bushmaster Upper 16\" Barrel Parkerized 15\" Keymod Rail\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e\u003cbr\u003e- Manufacturer: American Tactical\u003cbr\u003e- Model: Upper\u003cbr\u003e- Caliber: .450 Bushmaster\u003cbr\u003e- Fits: AR-15\u003cbr\u003e- Color\/Finish: Black\u003cbr\u003e- Upper Type: Complete\u003cbr\u003e- Operating System: Direct impingement\u003cbr\u003e- Barrel Length: 16\"\u003cbr\u003e- Twist Rate: 1:8\"\u003cbr\u003e- Barrel Type: Parkerized\u003cbr\u003e- Barrel Thread Pitch: 5\/8x24\u003cbr\u003e- Attachment Type: KeyMod\u003cbr\u003e- Length: 15\"\u003cbr\u003e- Forward Assist: Yes","brand":"American Tactical","offers":[{"title":"Default Title","offer_id":22098952454223,"sku":"335122","price":699.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0092\/7861\/9727\/products\/GS335122.jpg?v=1555595811","url":"https:\/\/green-supply3.myshopify.com\/products\/450bm-rifle16bl-prkrzd-15kmod-rail","provider":"Green Supply3","version":"1.0","type":"link"}