HK UMP/USC Picatinny Optic Top Rail Trade In$3900 SKU: UMPRLTOP01 Categories: Services HK USC to UMP, UMP G36 Tags: UMP, usc Product ID: 4275 Picatinny/1913 accessory top optic rail for HK UMP and USC. High quality aluminum, black anodized, with screws. Fits HK UMP and USC as well as in spec clones. PD Trade in/Used Rail Black Anodized Aluminum Product is out of stock Notify me when this product is back. Please enter a valid email! Subscribe Description Additional information Description Picatinny/1913 accessory top optic rail for HK UMP and USC. High quality aluminum, black anodized, with screws. Fits HK UMP and USC as well as in spec clones. PD Trade in/Used Rail Black Anodized Aluminum Additional information Weight 2.5 oz Dimensions 7 × 1 × 1 in Manufacturer Black Ops Defense Related products Out of stock HK G36 G36K Standard Flash Hider Factory German $7900 Out of stock Black Polymer HK Vertical Grip 416 G36 UMP MP5 $3900 Out of stock HK Factory SL8 Metal Top Rail $7500 Out of stock HK Factory Original G36 Complete Full Auto Bolt Group from: $59900