ASG Ultrair, CrazyJet 250mm barrel, Laylax hop arm and 60deg ML rubber - possibly the MR one?
I tested a lot of ammo from a 10m clamped rifle with Warhead & Geoffs 0.32g giving the tightest groupings by a fair margin. The 0.28g are best performers in my M733 AEG, but the MWS just gives them...