HK USC, UMP Stock Block C Eyelet with Thumb Screw

Great option since factory HK UMP stocks are hard to find and expensive. The HDPS HK USC/UMP stock block "C." Each unit comes with eyelet / thumb screw design. This is the type for use with the ACE hinge part number FSM-TB (push button folding stock) and non folding push bottom (pig nose), several other options are available as well.

This is just the transition piece to add a variety of US stock options to your USC conversion. Each stock block is the latest US made HDPS production part available with the new scratch resistant coating & finish & latest generation upgrades.