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

Like all the other PTS polymer products

Applying teflon tape for optimized Air Seal

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

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. *