Bang Bang Big Boys Store has available for Hong Kong-based customers the High Speed and Hardkick Buffer Kits for VFC SR25 GBB from Angry Gun... "The head of the head-to-Head Series. VFC's latest SR255 ECC is actually very strong in itself, and it's the latest heavy blowback buffer of angry gun. I really want to wear earplugs and keep a little steady.

Feel like itself the ECC ROF's slow? Can add high speed buffer."