CowCow AAP01 T01 Magwell (Red) Hop Up Category_Pistol -Gas Blow back Cycling is

-Gas Blow back Cycling is ultra smooth

2 x Firing Pin(Middle)

Best combination with UAC hammer housing

Tokyo Marui M9A1 GBB Pistol (Stainless Model)

Item Code : WM-870-005

CowCow AAP01 T01 Magwell (Red) Hop Up Category_Pistol -Gas Blow back Cycling isFor Action Army AAP01 Aluminum 6061 material with CNC machined Maximum funnel increases the speed of reloads A curved bottom magazine profile corrects for both planar and rotational insertion errors Available in Silver, Black, Gold, Red, Blue & Rainbow Item Code : CCT AAP01 022**Important Notice**It may has a condition that your pistol cannot feed the BB bullet due to lightweight gas supply. You just simple remove a spacer to solve the issue.