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Old 07-22-2010, 07:37 PM
jp1949 jp1949 is offline
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Join Date: Jan 2010
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Gas port
What would be the optimum gas port diameter for a 300 whisper,pistol length gas system 10.5" bbl? Thanks JP
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Old 07-22-2010, 09:03 PM
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Spook Spook is offline
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.118 with a caveat for high velocity loadings... which is kinda funny when you think about it.
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Old 07-23-2010, 01:40 AM
i8asquirrel i8asquirrel is offline
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when we finished my upper we settled on a .116" gas port dia. that was the ID of gas tube so it didn't make much sense to go larger. I run a standerd buffer thet has had the weights removed to make weight = to that of a carbine buffer 1350gr. it seems to work great I have a 16" barrel and pistol length gas tube.
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