Taiwanese firm Action Army Company (AAC), renowned for the manufacturing quality of its internal parts designed for the airsoft world, offers a CNC aluminium Hop-Up chamber ideal for upgrading your VSR-10 type sniper airsoft replica.
This part remains perfectly compatible with VSR10 barrels and hop-up joints and will ensure better accuracy and grouping when firing. In addition, you will have access to a finer hop-up adjustment screw.