Full Metal Upper Receiver and Barrel Assembly

Fires in full-auto and semi-auto

Builder's series Poseidon Patch Limited edition

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Tippmann and Valken systems

CowCow Technology Hi-Capa Bucking (3 Pack) AEG Mid-Cap Magazine Full Metal Upper Receiver andCCT HopUp bucking is manufactured by high quality anti oil rubber material. It can prevent swelling, scratch and crash during the heavy usage. Its re designed entrance shape can better fit with nozzle movement to prevent jamming. Flared chamber allows BB feeding much smoother. The 70 60 50 options inside the package are able to enhance different level of spin velocity (70 Low 60 Middle 50 High) which is suitable for different shooting environment and