We couldn't let the USC 45 have all of the fun, so we had to release the double stack version for converting you USC 45 into a UMP 45. This US manufactured lower receiver (18 USC 922R Compliant) is an all in 1 package to give your USC its UMP double stack potential:
AR15 FCG and Grip for Superior Ergonomics
Super Safety Compatible to Allow for Rapid Follow-Up Shots
Single Breakdown Pin for Ease of Field Stripping
Provision for Factory HK UMP Folding Stocks
Included in Order is:
USC/UMP 45 Double Stack AR Lower
SS Lever Trip Bar
Folding Stock Adapter
Folding Stock Install Hardware
Breakdown Pin
Buffer
Super Safety Lever, Cam, and Detent
Lower ships fully assembled and ready to run (no modification upper receiver required).
This conversion kit is compatible with UMP45/40/9 magazines. Prepare to dump some double stack mags.
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Please Note: Due to state/local regulations, we cannot ship to the following locales: CA, CO, CT, DE, FL, HI, IL, MA, MD, MN, NJ, NV, OR, NY, RI, WA, D.C, PR.
For additional shipping information, please reference the shipping section of our terms and conditions.
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