Added with 2 buffer pins , give more strenght to the gear box by absorbing the impact of the piston - made of CNC Aluminum- suitable for M4 AEG rifle- replace the original part - product include hop up chamber and hop up rubber Manufacturer : SHS
P.S.: for Airsoft knowledge exchange in All airsoft fans. our company Not reply any question in Airsoft Q&A ! Ask this product Knowledge
Write Review
