Striker Hop Up Chamber Kit For Umarex Gen3 17/18

➤ 97mm
➤ This Hop-Up Chamber is made of 100 % aluminum alloy CNC process and anodized.
➤ Each striker will install POSEIDON Inner Barrel and 50° degree GBB Rubber.
➤ Increase the average pressure point of the platen.
➤ Use a steel pin on the left side to extend the service time.
➤ The adjustment consists of small spring, little steel ball and special adjusting wheels.