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9mm Major Compensator


WarBoom

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16 hours ago, WarBoom said:


The cheely 5 port is one that I’ve been looking at. My deltapoint mount is one of his undrilled models.


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I just picked up one of the Cheely mount with undrilled holes.  Did you put in the holes yourself or have a smith do it?

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I just picked up one of the Cheely mount with undrilled holes.  Did you put in the holes yourself or have a smith do it?

Had a smith do it. They weren’t spaced with the normal 5x.375 but a funky 6x.325-.345


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9 minutes ago, WarBoom said:


Had a smith do it. They weren’t spaced with the normal 5x.375 but a funky 6x.325-.345


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I'm in a similar situation.  9 holes, 3 different sizes, weird spacing

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I'm in a similar situation.  9 holes, 3 different sizes, weird spacing

He mapped it all out and made a test piece before touching the mount. I probably could have done it but it would have taken ten times as long.


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Try dryfiring it first, make sure the extractor works well with 9mm.  Sometimes that has to be adjusted slightly.

You may also be able to load longer, but always do a Plunk test to make sure the length isn't excessive.

Edited by Steve RA
Forgot the longer loading part
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Try dryfiring it first, make sure the extractor works well with 9mm.  Sometimes that has to be adjusted slightly.
You may also be able to load longer, but always do a Plunk test to make sure the length isn't excessive.

It extracts super comp perfectly I doubt 9mm will give it an issue. I’m more worried about it getting pushed into the chamber too far. But if it works for others it might work for me.


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Add the binary engineering CFD comp to your list, I just finished up a major 9 build with 2 poppers holes and it shoots flatter than my 38 supercomp with the brazos  comp

I’m also running a caspian, The original caspian mags were marked 9mm/38 super and mine runs both with no problem

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I think the extractor will keep it from going into the chamber too far.  Try a couple of primed cases and see how the primer looks after "firing".

It fired magtech 115s 9mm almost perfectly. Slide was a little slow but I expected that. 3 out of the 50 were chambered fully/too far and had to be shaken out of the barrel unfired. Too bad I’ve already ordered a new barrel and comp.


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Remember, the extractor needs to be adjusted, otherwise you would not have the three slip past and if they are loaded longer that will also help.  I doubt they can be loaded to Super length but another 25 thousandths would probably work.  However, points for trying !

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Remember, the extractor needs to be adjusted, otherwise you would not have the three slip past and if they are loaded longer that will also help.  I doubt they can be loaded to Super length but another 25 thousandths would probably work.  However, points for trying !

I have a 9mm barrel and comp coming. I was interested if it work more than anything.


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