MechLabs Roto New Hop-Up Chamber Buckingless Special for M4/M16 Airsoft AEG Rifles hat 5-3J adjustable (build dependent)

5-3J adjustable (build dependent)

Active brake: active brake stops the motor after each shot preventing spring compression or in case of replicas with high rate of fire

he FRAC (Fixed Rear Airline Connector) provides a hard-point airline fitting on your MTW’s sling plate

High tension recoil spring

or one single round for targets at a farther distance

MechLabs Roto New Hop-Up Chamber Buckingless Special for M4/M16 Airsoft AEG Rifles hat 5-3J adjustable (build dependent)Bucking less design eliminates traditional hop up rubber entirely Micro injected precision nub replaces bucking for backspin generation Enlarged contact surface improves BB stability and Magnus effect Extreme shot to shot consistency, especially in HPA builds High durometer nub material resists wear and deformation Eliminates common bucking issues (tearing, swelling, misalignment) Mechanically indexed self alignment system for perfect positioning