Forum: 300 Whisper Rifles and Pistols
12-10-2010, 12:32 AM
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Replies: 13
Views: 3,402
load for subsonic whisper
I just tested 4 different loads last weekend thru my 10.5 whisper.
220 gr smk
tp555 gas block subsonic position pistol position
gas port .115
Gemtech Sandstorm suppressor
ambient temp 32 deg
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Forum: 300 Whisper Rifles and Pistols
12-09-2010, 08:30 PM
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Replies: 13
Views: 3,402
subsonic operation
i read your initial post and had exactly the same problem that you did with several loads last weekend. My whisper is set up pretty much like yours. The load that funtioned perfectly in mine, was...
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