Originally Posted by
Nobody
Also, pin point where the leak is coming from. If it is out the back, where the adjustment screw is, then its the reg seat and see above. But if it is around the split of the valve and reg bodies, then it could be the body oring. Put a couple wraps of teflon tape on the threads of the reg body. On my classic mag, i had some old orings(20 years old and orings went bad?), and had that leak(between the valve & reg bodies) as the newer orings are slightly thinner in diameter.