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So you just tried to upgrade your CA or G&P and it's shooting a lot lower than its supposed too?
Have no fear, I can help!
The CA or Classic Army M15 series had a air nozzle that barely reached to the sealing edge of the bucking. More times
than not it worked great stock. however with added air pressure comes
more chances to allow compression leaks and small flaws to become big
ones.
The simple mod is this....
Grab your trusty Dremel tool. If you don't have one a file and some sand paper will do.
Take your tappet plate and remove enough material from the end that is stopped by your cylinder head (like shown below.)
Caution: do a flat sand and only take enough off to reach your air
nozzle retaining ridge. Make sure it's completely vertical and not
angled.