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Gary Hindman's Custom Model 113 and Model 114

Both guns are bulk fill. They have a silver finish on the barrel and the CO2 tube. Stocks have been redone to a natural finish. Simmons .22 3x9x32 AO silver scope and rings are connected using IA mounts

Model 113- Predator Polymags .177- 5-shot groups @ 25 yds. =.440" C-C - Avg. velocity 697 fps 25 shots ( high 721 fps)

Model 114 - JSB Exacts .22 - 5-shot groups @ 25yds. = .54O" C-C- Avg.velocity 654 fps. 25 shots (high 660 fps)



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Sounds like you need to spin the seal

March 16 2011 at 11:56 PM

CO222  (Login CO222)
Crosman Forum Member
from IP address 199.27.130.186


Response to 1377c - Was Leaking Down, now it isn't(sort of), does this make sense?!?!?

Acetal is a hard seal material so it's not forgiving of eccentricity. Nothing's to say
that either the valve seat or seal are perfectly concentric. It's common practice to
apply some lapping paste and spin the seal on the seat (e.g. with drill).
To make your own lapping paste, scrape some of that 1200 grit off with a blade and mix
with cutting oil or other.

 
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