Golden Eagle Basic M4 Full Metal Upper Receiver - BLACK

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This basic metal M4 Upper Receiver by Golden Eagle is stripped to the basic components, which gives you the freedom to add a number of aftermarket parts, like the Magpul M-LOK hand guard . The metal receiver is highly durable and makes this upper receiver feel very realistic. A two-piece adjustable hop-up feeds the 6.05mm inner barrel and ensures a high level of accuracy and great range.NOTE:This Golden Eagle Complete Full Metal Upper Receiver is ONLY compatible with Full Metal Golden Eagle Lower Receivers. It is not compatible with Polymer Golden Eagle Lower Receivers.In the BoxSpecifications:Construction Full MetalCompatibility Fits Golden Eagle Full Metal Lower ReceiversInner Barrel Diameter 6.05mmBarrel Length 13.5" in.Hop-Up Metal One Piece AdjustableOverall Length 21" in.Weight 1.93 lbsColor BlackCalifornia Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Show more