RetroArms CNC Gearbox for ASG CZ Scorpion EVO 3 Evike Features double internal O-rings for

Features double internal O-rings for excellent air seal and consistency

Lowers the stock by 1 inch for improved eye relief and comfort

cylinder volume

Set includes: Upper receiver + Lower receiver

Exceptional resistance to fatigue and spring deformation

RetroArms CNC Gearbox for ASG CZ Scorpion EVO 3 Evike Features double internal O-rings forThe RetroArms CNC Gearbox for ASG CZ Scorpion EVO 3 is a premium upgrade gearbox shell designed specifically for the ASG CZ Scorpion EVO 3 AEG platform. Precision CNC machined from high strength aluminum alloy, this gearbox delivers exceptional durability, rigidity, and performanceideal for high stress and high performance builds. Engineered to handle demanding setups, this CNC gearbox improves internal alignment, reduces flex, and enhances overall