Hi all. I am going to replace the hop up for my TM NGRS scar h. I have started to service my AEG and I was going to buy the Laylax purple hop rubber with nub. I am a techy, so have no problem doing it, but I noticed this, which looks interesting.anyone used this. Anyone had hands on with this?
https://www.airsoftworld.net/airtech-studios-tdc-trolley-with-m-nub-r-hop-flat-hop-for-tokyo-marui-scar-h-hk417.html
What are your thoughts?
Kind Regards