+3 Forged M4 Upper UR-M4 $129.00 In stock Quantity: 1 Add to Bag Product Details Assembled M4 Upper for the AR Family. Forged from 7075 T6 and machined to USGI specifications. 100% made is USA. Includes M4 feed ramps and M4 marked. Not T-Marked Assembled with port door and forward assist. Save this product for later Favorite