o-rings RSS

The tank holds air fine until you fill it, or it hisses from the fill port while you're gearing up. An r/airsoft player posted "HK Tank Fill Nipple Leaking?" with that problem. Short answer: an HPA fill nipple leak is usually a worn poppet o-ring or a thread seal, and both are cheap fixes. Why is my HPA fill nipple leaking? The fill nipple is a quick-disconnect male fitting with a small poppet inside that lets air in and keeps it there. ZDSPB's tank tech page calls these low maintenance parts that may need an occasional o-ring swap when they...

You threaded the regulator onto the bottle, it hissed for a second, and now you're wondering if you skipped a part. An r/airsoft player asked the same thing about an on-tank Wolverine regulator. Short answer: no. An on/off ASA is a convenience part. Your rig shoots the same without one. Do you need an on/off ASA? No. It makes tank swaps easier and kinder to the seals, but it doesn't change velocity or consistency. Player report: replies in that thread said you don't need one, though it's nice to have because it saves wear on the threads. Without one, players...