Factory German H&K UMP trigger groups. Three position; safe and semi-auto, auto. These came from Police trade-in HK UMP45. They are used in good condition. You can expect some small scratches and wear marks along with red/white paint faded. Sale is for (1) trigger pack. Sold as is, no returns/exchanges. All sales final. Item pictured is representative of one you will receive.
All NFA rules Apply!