Custom made TDC hopup model for Scorpion Evo 3 A1 airsoft replica.This model is suitable for 6mm window barrels .
You'll need a 10mm M4 stop screw and a nut.
Excellent results,
No airleaks.
Tested with AEG 0.32+ bbs
Prometheus Lvoa-C 400mm
Bucking
Begadi Fly7 green/blue
Begadi Mag7 green/blue
Nubs
Begadi soft nubs
Maxx Aluminium tensioner