The time has come to modernize your UMP conversion build. This package is specifically designed for those who did a welded USC to UMP conversion from a demilled parts kit. This US manufactured lower receiver is an all in 1 package to restore your UMP's full potential:
AR15 FCG and Grip for Superior Ergonomics
Super Safety Compatible to Allow for Rapid Follow-Up Shots
Included in order is:
UMP45 AR Lower
SS Lever Trip Bar
Backing Plate
Buffer
Super Safety Lever, Cam, and Detent
This lower has been tested with only genuine HK magazines. We cannot guarantee functionality with aftermarket magazines.
This package serves as (4) 18 USC 922R compliant parts:
Trigger Housing
Trigger
Hammer
Disconnector
This conversion kit is for use with the larger front pin found on HK Factory USC uppers.
This conversion kit is compatible with UMP45/40/9 magazines.
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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, NY, OR, RI, WA, D.C, PR.
For additional shipping information, please reference the shipping section of our terms and conditions.
The customer is responsible for confirming that the parts purchased are compatible with their firearm prior to purchase. If the customer identifies post purchase that the purchased item is not compatible with their specific firearm then they must submit an RMA to receive a partial refund per our Terms and Conditions. Note: Damaged items will not be eligible for refund.
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