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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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It depends on the valve volume,

October 26 2011 at 1:37 AM

CO222  (Login CO222)
Crosman Forum Member
from IP address 118.148.228.161


Response to good call the fpe is exponential

Approximately proportional to the bore volume, which is a square relationship,
but the relationship drops off as larger bores deplete a given valve volume more.

Bore volume ratio per length: (.177 , .22, .312) is approx. 1 : 1.5 : 3.1

The way I did the receiver it did away with the clamshell, it can easily take 9mm or up to .50 barrel.
After working on 1008's, 357's & nightstalker I had enough of exploding clamshells.

 
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