Nice and Brassy. I like it!May be looking at tapping the Injection adapter to add the Schrader valve. That would make it right.
I looked at the CTA website and the linked chart before I purchased the 2800 kit. I also looked at the various adapters that they offer. The information is conflicting and incorrect on the chart and the website.
In looking at the fittings and measuring, I believe it is the M1-MST. I cannot say with certainty, though, and obviously bear no responsibility if incorrect.
That's why I check compression by turning the crank by hand. If it tries to go backwards when compressed it's 375psi or above. Hard to turn but doesn't go backwards,... maybe 350. Not so hard to turn 325 or less and only starts in warm weather.