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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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I think your experiment shows the air in the headspace contributes to power

January 17 2011 at 9:58 AM
Glover, Walter  (Login Voltar1)
Crosman Forum Member
from IP address 72.25.192.4


Response to Hi Walter, the piston extending after the shot (does) add power,

but inconclusive WRT flex of the system adding power.
In that 2004 the change in piston length will likely be in the order of 0.010" so doubt it is the source of power you lost.
Cool example of the idea if your idea is correct though happy.gif

Walter....

 
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