New Latest Production HDPS HK USC/UMP Stock Block -B Pin Style
For use with all HK UMP factory or US-made folding stocks. Each unit comes with a new push-pin design. This is a required part of the HK USC-UMP style conversion. Each part is the latest US-made HDPS production part available with the new scratch-resistant coating, finish, and latest generation upgrades. Each unit comes with a locking pin and stock block assembly.
Black Ops Defense offers stock block installations and the full gamut of USC/UMP conversion services.
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