AA s200 query

May 16 2017 at 12:36 AM
peterdulux  (Login peterdulux)
YF12

Help me understand something.

I have an older version of the AAs200.

I backed out the restrictor grub screw 1.25 turns and cranked in the hammer spring half turn and had it up to 700ish fps.

Then I filled the cylinder and it dropped down to low 500's. So I cranked in the hammer spring to two full turns and ended up with 600ish fps.

What gives? Am I missing something?


    
This message has been edited by peterdulux on May 16, 2017 12:37 AM


 
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