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14.49
  • Convert the stock HOP-up chamber
  • For ASG Scorpion EVO SMGs
  • Includes all parts for TDC conversion

Turn your stock ASG Scorpion EVO's HOP-up chamber to a TDC design without having to replace the whole unit. This kit includes everything you need to install the system into your current HOP-up chamber. It is compatible ONLY with ASG Scorpion EVOs and will not fit in any other HOP-up systems.

TDC (Top-Down-Centre) HOP units are incredibly sought after due to the increased friction they add to BBs, which increases the effectiveness of the HOP applied to your BBs. By installing TDC to the stock HOP-up you are guaranteed compatibility with the platform.

The set also includes rubber nubs, these ensure the HOP is stable while BBs accelerate through the unit, further improving the performance and consistency of your ASG Scorpion EVO. This is a very complex installation process and we only recommend it if you are confident in your understanding and ability to fit it to your HOP-up chamber.

3.99
  • Replacement screws
  • For Version 3 gearbox motor cage
  • Replace your lost bits!

If you have misplaced a screw from your motor cage during upgrading/maintaining your version 3 gearbox, no need to hunt for the perfect screw! This screw set from Specna Arms provides all the screws necessary to attach your motor cage to the gearbox and secure the motor inside the cage.

Whether it's replacing a broken part, up-rating for longer lifespan or simply matching up some missing parts, we all need a good Screw to keep things together.