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Aero Precision APAR501801BC: The stripped upper receiver is one of Aero's most popular products. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications and features M4 feed ramps. Match this upper with one of our AR-15 lower receivers for a solid dependable fit. It features M4 feed ramps and .250 take-down pinholes. This upper receiver comes in FDE Cerakote finish.
Note: Aero Precision is listing these under a Blem SKU meaning that they will have a very minor cosmetic blemish of some kind that will in no way affect the function of the product. In our experience, this typically amounts to a minor run-in the anodize or a slightly different color variation than the norm. In most cases, we can not see why they are called blems. They have even told us that the blem in the finish could be hidden away due to it being on the internal surface of the receiver.
