Help with brakes

So I'm working on this right now. I took apart the master cylinder and nothing looked worn, everything seemed to be in order. I made sure to clean the return port before putting it back together. At this point I've got fluid running through the ridgid line just fine. Pulled the banjo bolt at both ends of it to make sure. when I pull the line off at the caliper I get no flow at all
 
Disconnect the line that goes to the caliper on both sides and try to gently blowair through it.
 
I have no pressure building up for a while then it randomly seems to build up to being too firm. All workout reaching the caliper
 
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