Authorised ACETECH Distributor

Light UpYour Game

Genuine ACETECH chronographs and tracer units. Clock your FPS and joules with the AC6000 and AC5000, then light up the night with Quark, THOR, Predator, Bifrost, Blaster and Brighter tracers.

4Chronographs
24Tracer units
48Tracers from
Genuine ACETECH hardware
Authorised distributor
Operated by JRSE Ltd, Hong Kong
Questions? Contact us
Field-Legal By The Numbers

Stay Inside The Joule Window.

Sites limit muzzle energy, not just FPS. A common AEG limit is 1.14 J, which is about 350 FPS with a 0.20 g BB, but a heavier BB reaches that energy at a lower FPS. Always check your own site's rules. A chronograph tells you where you stand before a marshal does.

  • Energy = ½ · mass · velocity². Double the BB weight at the same FPS and you double the joules.
  • Chrono with the BB you play with. A reading taken with 0.20 g BBs says nothing about 0.30 g.
  • Re-check after every upgrade. Springs, hop-up rubbers and barrels all change the reading.
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Clock It. Then Light It.

Genuine ACETECH chronographs, tracer units, mosfets and spare parts, from an authorised distributor.