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Old October 13th, 2015, 12:25   #7
N_Force
 
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Join Date: Oct 2006
Location: Toronto, Ontario
A bit off topic!!
Things break eventually from time to time, also depends on the preferences for the end user. I have my Marui 4.3 for plactical shooting and plank at home for 7 years, using propane only, finally got trigger response issues and found out the end of the slide had a vertical Crack and the slide pop up a bit causing problems. This pistol was metal mid flame and original plastic slide, only I did was changing the hammer set and trigger set, also high flow value for mag.

The Japanese design is for 134 (75-80psi)but still able to handle propane(115psi). What you'll get is shorten the life use.

When engage firing, gas is being releasing and flow through nozzle to push bb out from chamber and blow back the slide. The main impact are front and back horizontal, but don't miss out the vertical impact that creates between mag valve and nozzle. This impact also put pressure on the rails of slide and mid flame. That's how it got wear out faster and create problems, and that's how my 4.3 plastic slide got broken. Lubricant the contact could lengthen the life and minimize wear no matter is plastic or metal. After I learned and understand this situation and realized what would I expect the life of each. And that's also giving me a guide line to see if I would like to have it up grade or modify or not!
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Last edited by N_Force; October 13th, 2015 at 12:28..
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