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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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Chuffed with mods made so far to son's 1077

July 11 2012 at 5:25 PM
Mark  (Login Specman)
Crosman Forum Member
from IP address 85.211.135.90

We got the gun last week and soon found that it was great fun to shoot but peppered the target like a shotgun.

So after a major CO2 leaking problem it was in bits, whilst I was in there I thought I would tinker. Here's the current mods, mostly to improve accuracy.

The black spring-loaded assembly (the 'detent body') at the front of the valve drilled out to 4mm, installed an O-ring into the obvious slot on the outside rim the plunger, makeing sure the O-ring didn't bog the plunger- but sealed it somewhat. I need to fit a stronger spring in here also but didn't have anything handy. I'll get that next time.

Stablized the pea tube barrel with polystyrene inside the shroud

Lubed and greased up the trigger

Re-crowned the barrel

Lubed the barrel with Dryslide

A few more bits and pieces to go, but its now shooting tight half inch groups, 632ft per sec at 9 degrees C. 48 shots to a bulb.


 
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