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

More Views

Michael's Machines 10mm UMP Conversion

10mm Barrel, Bolt Carrier w/German Firing Pin Assembly.
Availability: Out of stock

Product Description
Michael's Machines 10mm Barrel, complete Bolt Carrier with German firing pin assembly and 1 new .40 German mag converted to 10mm and marked as 10mm. Mags are specific to this set up and we do have extra mags available.
Additional Information
Frequently Bought Together

T320 Signaling Device


G36/SL8-UMP/USC Serpent Trigger (RED)


5 pack G36 P-Mag

Customers Who Bought This Item Also Bought
Reviews (0)