Looking for how to install your new lower? Look for the corresponding video below on this page.
USC 45 FRT Install / UMP 45 FRT Install
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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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