COMBO with FBI Style UMP lower


USC to UMP conversion COMBO (NEW < L O W E R > PRICES !!!!)

With this combo set you have everything you need to legally convert your standard USC Thumbhole Stock and 10 rounds mag to UMP Pistol Grip and hi capacity mag. All HK German parts are new, the 3 U.S. HDPS made compliance parts are already installed (steel trigger, follower and floor plate)those parts make the conversion legal per ATF rules, the lower already serviced to make it compatible with the USC upper.
Combo components:

PARTS- HK UMP lower, 2 HK UMP magazines, HK UMP folding stock, HK Folding stock axle pin, HK UMP buffer, HK USC internals *, HDPS stock block B with steel screws, HDPS steel trigger, 2 HDPS mag followers and 2 floor plates (the 3 U.S. required compliance parts)

SERVICE INCLUDED- Fill and Mill auto sear area, make UMP lower compatible with USC upper, replace all UMP parts with USC parts, replace mag followers and floor plates and for the NAVY style UMP lowers, invert white mark on right side USC selector, R&R all parts and check dry fire function test.

*You will need send your USC lower in order to use your semi auto internals


Also, we have a Machine Shop and a Refinish Shop that will make possible to build your custom dream come true weapon.

Homeland Defense & Police Supply Corp

Our Mission
We specialize in Assault Weapons, Class 3 Firearms and Suppressors for Civilians and will also provide help and logistic for Govt. Agencies and Police Depts.