Begs the question.
If it was easier... and there's no difference?
I'm betting there is a difference.
The 9/16 is designed for anti-siphon co2 and the 11/16 is compressed air only.
Keep in mind...
We are dealing with an old crossman/sheridan design with a 9/16.
Co2 is the thing!
Last edited by fossilhead; 05-04-2019 at 04:22 AM.