Originally Posted by secretweaponevan
Replace your powertube o-ring. Liquid CO2 can damage o-rings, making them porous.
Use a shorter spacer.
O-ring goes in first, then carrier, then powertube tip.
Make sure your bolt stem isn't scratched/dented.
- i installed a diamond labs regulator, replaced the power tube oring, and installed a 235 spacer, sealed right up and was shootin hard till this happened.....see above...