Hop-Up Group

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CNC Aluminum Hopup Chamber M4i - PROThe highest quality Hop-Up chamber designed for tuning M4 / M16 ICS replicas. Rotary chambers manufactured by Maxx Model Products are made for the most demanding of players, they offer precise workmanship that is unprecedented on the market and perfect operation o..

Maxx Model CNC Aluminum Hopup Chamber MXW for HPA MTW RiflesCNC Aluminum PRO Hopup Chamber (with BB Latching System) unit is precisely machined to perform accurately and consistently on Wolverine/Heretic MTW series M4 rifles.The Hopup Chamber unit is built with an aluminum Rotary Dial Knob for fine ..

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The ASHU (Airsoft Systems Hop Up) with empty magazine detection for the ASCU Gen.3 (ref. 17534) will, when it is connected to the ASCU, detect when the magazine is empty and will stop the AEG from dry-firing. By operating the bolt catch after a magazine change, firing can resume. Features: Em..

Hop-up Nub by Action ArmyThis high-quality hop-up nub by Action Army is designed for use in AEG hop-up chambers. The nub acts as a pressure interface between the hop-up arm and the bucking, ensuring consistent contact and even pressure on the BB during firing. The result is more stable backspin and ..

Designed to achieve ultimate consistency, the Friction Pro hop-up bucking focuses on creating a perfectly centered axis of spin in every shot.While based on a rather traditional single-point design, the unique contour of the contact patch generates enough friction to even lift heavy BBs up to 0.48 g..