Heckler and Koch UMP Lower Trigger Group Police Trade-in

Factory German H&K UMP trigger groups. Two position; safe and semi-auto. These came from Police trade-in HK UMP40. They are used in good condition. You can expect some small scratches and wear marks. Trigger packs have serial number on the bottom and are marked UMP45. Sold as is, no returns/exchanges. All sales final. Item pictured is representative of one you will receive. All NFA rules Apply!