Umarex T4E TM4 & HK416 Bolt Assembly
Replacement bolt assembly for Umarex T4E TM-4 and Umarex T4E HK 416 .43 caliber paintball guns. Simple replacement with factory part to ensure proper function & firing of the paintball gun. Umarex recommends replacement every 3000 - 3500 rounds.
*Ships only within the United States