JeffTron Active Brake II MOSFET EVO Ideal for builders looking to

Ideal for builders looking to complete a high-end M4

Precision fitment for stable FPS and air seal efficiency

Precision bore for consistent BB flight path

Important Notes:For best results

The Maxx Model CNC Aluminum Advanced Speed Trigger (Style B) in Black is a precision-machined upgrade designed to improve trigger response and durability

JeffTron Active Brake II MOSFET EVO Ideal for builders looking toThe JeffTron Active Brake II is a compact and powerful active braking MOSFET designed to instantly stop the motor after each trigger pull, improving shot consistency and preventing overspin in AEG airsoft replicas. By cutting motor inertia at the end of the firing cycle, this unit helps ensure reliable semi auto performance and protects internal components from unnecessary stress. Ideal for both stock and upgraded builds, Active Brake II is especially