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short barrel gas port chart


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Would be nice for the DIY'ers. But doubt you'll get that info from business men on the board that make a living from (R and D) they did to get it right.

 

That's what I would expect, and that's fine. I'm thinking if we had someone with an 8" or 10" barreled 12ga that had a good working model, we could fill in the blanks with barrel sizes we don't have listed. For instance if we had sizes for both an 8 and 10, if someone wanted to do a 9" then it's probably a matter of calculating the "in between" size. I'm not sure if calculating between 8" and 19" at this point would be a good idea, but if we had a few people step up with their sizes, we could figure out the formula.

 

Are extra barrels available?

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Just how are you proposing people should measure their port diameters without pressing off their gas blocks?

 

I never made that proposition. I'm new to this site but it seems like a lot of people here are afraid to do their own work. Definately not including you!

 

 

However now you have me thinking.....

 

A little piece of fimo clay or even better some rubbery meltable material on a stick lightly pushed against the holes inside the barrel should give you a pretty good idea of the size and placement of the holes sans pressing out the block. Might be a good idea to put a bit of oil there first just in case.

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