HK UMP & USC Rear Sight Support Roll Pin
This is the axle pin that holds the rear sight assembly to the rear sight housing of the receiver on the USC or UMP firearm.
-22%
HK UMP, USC Sight Support Roll Pin – Rear
$6.22 Save:$1.00(22%)
Description
![Hornady Precision Hunter .270 WIN, 145gr, ELD-X - 20 Rounds [MPN: 80536]](https://www.tacticalwatchstore.com/wp-content/uploads/2026/10/hornady-precision-hunter-270-win-145gr-eld-x-20-rounds-mpn-80536.webp)