AIP Magazine Catch Set for Marui Hi-Capa 5.1/4.3 - Black Action Army AAP01 High Flow Valve Blocker is

High Flow Valve Blocker is re-designed and suitable for TM/WE Hi-capa & G17 series at the same time

More accuracy with stop in front of hopup

Maple Leaf designed a barrel where the end is wider compared to the rest of the barrel

4403 Tool Steel

which will improve consistency and longer range when coupled with a high-quality BB

AIP Magazine Catch Set for Marui Hi-Capa 5.1/4.3 - Black Action Army AAP01 High Flow Valve Blocker isProduction Model : AIP 51 71 Magazine Catch can speed up your reloading time Adjustable angle Ruled texture Style Suitable for Marui Hi Capa 4. 3 5. 1 Series Airsoft Gas blow Back Pistol As always, upgrading GBB require necessary skill & technique, consult expertise if needed Major Color : Black Built Material : Aluminium