SKU: 10218 HK UMP 3 Position Lower Housing Grip Frame Trigger Group

Factory HK complete UMP 3 position, machine gun lower. Safe, semi, full auto or Safe, semi, burst ( Choose from configuration options ).

• Factory HK
• Used/trade-in, decent condition, ware on the markings and scratches should be expected
• Unmodified
• Fits UMP machinegun ( Great for post sample builds etc. )
• Could be used for a USC to UMP semi auto conversion ( will require fitting/conversion, contact us for a work order )
• These are getting more and more difficult to come by...