Airsoft Logic 0.25g Red Tracer BB (2000rd) Misc. Internals The gearbox has a quick

The gearbox has a quick change spring feature that allows for a fast change in muzzle velocity should the circumstances demand it

The Hydra was the first out-of-the-box drop-in HPA engine for guns with offset nozzles

upgrading an AEG requires the approriate skill & technique to dissemble the gearbox

The HPA CZ Scorpion EVO 3A1 features all the same functions as the AEG version

integrated scope rail

Airsoft Logic 0.25g Red Tracer BB (2000rd) Misc. Internals The gearbox has a quickRed tracer rounds for your tracer unit. Ultra bright! Glow in the dark tracer BB's from Airsoft logic. 0. 25 Grams 2000 count bottle. Colour: Red *Note tracer BBs require either an Illuminated magazine, hopup or barrel mounted tracer units for optimal performance. *