TommyBuilt USA is an 07/SOT FFL specializing in Customization, Creation and Modification.

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UMP Stock

New UMP stock
Availability: Out of stock

Product Description
GSG9 UMP stock. Great for UMP conversions or builds on clone receivers comes with the stock axle pin. All NFA rules apply.
Additional Information
Frequently Bought Together



TMP .45 Pistol


UMP lower locking pin


G36 stock axle pin

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