You cannot add "HK UMP 3 Position Lower Housing Grip Frame Trigger Group 0 1 F" to the cart because the product is out of stock. Sale! HK Sling UMP G36 SL8 USC Etc Factory New$4900 Original price was: $4900.$3900Current price is: $3900. SKU: HKSLINGNEW-1 Categories: MP5 & 90 Series, New Products, Services - HK SP5 SP5K & Clone, Services HK 91 93 G3 33 53 90, Services HK MP-5, Services HK SL8 to G36, Services HK USC to UMP, UMP G36 Tags: G36, SL8, UMP, usc Product ID: 7121 Factory HK sling for the UMP, G36, SL8, USC or other. New Original HK Black In stock HK Sling UMP G36 SL8 USC Etc Factory New quantity Add to cart Description Additional information Description Factory HK sling for the UMP, G36, SL8, USC or other. New Original HK Black Additional information Weight 10 oz Dimensions 5 × 3 × 2 in Manufacturer HK Related products Out of stock HK MP5 9mm Standard Bolt Group Complete Factory Original $79900 Out of stock HK UMP 4 Position Lower Housing Grip Frame Trigger Group 0 1 2 F $89900 MP5 Standard Cocking Tube New $6900 Out of stock HK MP5K Choate Style PDW Side Folding Stock $14900