Forum: 300 Whisper Rifles and Pistols
08-25-2008, 08:50 PM
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Replies: 16
Views: 2,664
The results from 11.2gn AA1680 aren't worth...
The results from 11.2gn AA1680 aren't worth mentioning, but 11.8gn got me pretty consistant 1030's with the 220SMK's.
I like it. Gonna try 11.9 to get as close to the trans sonic barrier as I can.
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Forum: 300 Whisper Rifles and Pistols
08-23-2008, 07:31 PM
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Replies: 16
Views: 2,664
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Forum: 300 Whisper Rifles and Pistols
07-13-2008, 12:32 AM
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Replies: 16
Views: 2,664
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Forum: 300 Whisper Rifles and Pistols
07-09-2008, 07:30 PM
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Replies: 16
Views: 2,664
I ended up taking apart one of my JP low mass...
I ended up taking apart one of my JP low mass buffers and weighing it (about 85 grams) and then taking a stock rifle length buffer and pulling the weights out of it. Found a long section of aluminum...
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Forum: 300 Whisper Rifles and Pistols
06-30-2008, 02:17 PM
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Replies: 16
Views: 2,664
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Forum: 300 Whisper Rifles and Pistols
06-29-2008, 08:32 PM
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Replies: 16
Views: 2,664
enlarge gas port...?
Currently, my M1S 16" Whisper doesn't fully cycle. It will extract but not strip the next round from the mag. I swapped out the rifle length buffer spring (I use an A2 stock) for a carbine length...
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