{"product_id":"golden-eagle-basic-m4-polymer-upper-receiver-black","title":"Golden Eagle Basic M4 Polymer Upper Receiver - BLACK","description":"\u003cp\u003eThis basic polymer M4 Upper Receiver by Golden Eagle has been stripped of the handguad, carry handle, and sling mount, giving you the freedom to add a variety of aftermarket accessories like the Magpul M-LOK. The receiver is made from polymer which is very lightweight, and the barrel is full metal for durability. A two-piece adjustable hop-up feeds the 6.05mm inner barrel and ensures a high level of accuracy.\u003c\/p\u003e\u003cp\u003eIn the Box\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003eConstruction: Polymer Receiver \/ Metal Barrel \u0026amp; Rail System\u003cbr\u003eCompatibility: Golden Eagle Polymer Lower Receivers\u003cbr\u003eInner Barrel Diameter: 6.05mm\u003cbr\u003eBarrel Length: 13.5\" in.\u003cbr\u003eHop-Up: Polymer Two-Piece Adjustable\u003cbr\u003eOverall Length: 21\" in.\u003cbr\u003eWeight: 1.9 lbs\u003cbr\u003eColor: Black\u003cbr\u003e\u003cbr\u003eCalifornia Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov\u003c\/p\u003e","brand":"Golden Eagle","offers":[{"title":"Default Title","offer_id":53874110693742,"sku":"GE-MB-39","price":57.19,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.xtremeairsoft.net\/products\/golden-eagle-basic-m4-polymer-upper-receiver-black","provider":"XTREME Airsoft Superstore","version":"1.0","type":"link"}