Thread: S&W M&P AR in .300 Whisper (factory rifle)
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  #29  
Old 11-06-2011, 12:16 PM
Ned christiansen Ned christiansen is offline
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Posts: 31
Whatever chamber dimensions they are using, I think we may find that they are calling it Whisper because it is being done n cooperation with JD Jones..... just guessing.
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