Forum: 300 Whisper Rifles and Pistols
12-21-2007, 09:19 PM
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Replies: 2
Views: 1,586
AZfred,
I have the same Model 1 upper that you...
AZfred,
I have the same Model 1 upper that you mentioned. I measured the gas port and it is already at its max. ( @ .125). I am waiting on the suppressor before I do any more load development.
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