The KWA ERG Recoil Piston Housing (Part 381) is a genuine factory replacement part designed for compatible KWA ERG platforms. For players maintaining an ERG rifle, using the correct internal component matters, especially in the recoil assembly where fit and function need to be consistent.
This piston housing is intended for repair or replacement work when the original part has become worn, damaged or unreliable through use. Choosing an original KWA part helps avoid guesswork during servicing and gives experienced techs and owners a more straightforward route when keeping an ERG build in working order.
It is particularly relevant for anyone carrying out internal maintenance on a KWA electric recoil gun and looking to retain the proper feel and operation of the rifle rather than substituting with an unknown alternative. If you are already servicing your gearbox or recoil assembly, it may also be worth checking other KWA ERG internal parts and airsoft maintenance essentials at the same time.
Order the correct KWA replacement part and keep your ERG build running properly.



