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Need diagram of 760 crosman

This area is for the discussion of BB or airsoft sub machine guns, and or other small arms such as pellets.
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Need diagram of 760 crosman

Unread postAuthor: Sticky_Tape » Mon Feb 23, 2009 1:24 pm

Does anybody know a good website for pellet/bb gun diagrams? I need to see the internals of a crosman 760 pumpmaster.
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Unread postAuthor: jrrdw » Mon Feb 23, 2009 1:32 pm

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Unread postAuthor: john bunsenburner » Mon Feb 23, 2009 1:46 pm

http://airgundevelopment.com/valve.html
http://www.airgundevelopment.com/crosman2200.html

it is about the crossman 2200 but i am pretty sure the valve will be similar or the same.
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Unread postAuthor: Gippeto » Mon Feb 23, 2009 2:17 pm

Have a look here. You'll have a few to choose from. :)

http://www.crosman.com/airguns/service/ ... man-rifles
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Unread postAuthor: Sticky_Tape » Mon Feb 23, 2009 3:22 pm

Thanks guys, I was wondering if it would be possible for me to mod a cheap 760 for higher volocity 700+FPS.
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Unread postAuthor: john bunsenburner » Mon Feb 23, 2009 3:39 pm

I suggest building your own hammer valve, it is alot cheeper and can be made to any dieired size also you can understand how it works and so improve apon it and be sure it holds the pressure needed.
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Unread postAuthor: jackssmirkingrevenge » Tue Feb 24, 2009 12:55 am

Sticky_Tape wrote:Thanks guys, I was wondering if it would be possible for me to mod a cheap 760 for higher volocity 700+FPS.


Several mods you can do:

-longer barrel

-stronger hammer spring

-heavier hammer

-bored out valve and transfer ports

-weaker valve spring
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Unread postAuthor: Gippeto » Tue Feb 24, 2009 1:17 am

Sticky, the Canadian version has a pressure relief valve threaded into the valve chamber.

Those that I've "worked on" had a hex head screw accessible through a hole in the plastic. It's just a bit in front of the trigger guard, on the bottom.

Turn the screw in snug and see the difference. :)

And yes, you can get 700+ fps out of it, but you'll need to "open 'er up".
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Re: Need diagram of 760 crosman

Unread postAuthor: psycix » Wed Feb 25, 2009 3:24 pm

Sticky_Tape wrote:Does anybody know a good website for pellet/bb gun diagrams?

http://www.zdspb.com/tech/misc/animations.html
Alot of animated diagrams.
Though these diagrams are more general. I am not sure if you will find the right one for your specific marker.
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