Forum: 300 Whisper Rifles and Pistols
07-17-2008, 12:53 AM
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Replies: 16
Views: 2,664
Brass
Cut down Remington .223 UMC brass cut and trimmed to 1.360
I've noticed that the fps of loads seems to be all over the place depending which gun you are shooting it from. I Chrono'd the loads. I...
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Forum: 300 Whisper Rifles and Pistols
07-15-2008, 08:39 PM
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Replies: 16
Views: 2,664
I used ..
I used 11.8 grains of 1680 with good luck sub-sonic. BUT you've reamed yours so your pressure and speed may be different. I loaded to an AOL of 2.170. That gave me 1050fps most of the time.
EDITED...
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Forum: 300 Whisper Rifles and Pistols
06-30-2008, 06:15 PM
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Replies: 16
Views: 2,664
Video
http://home.comcast.net/~kdiver/whisperSTEEL.wmv
175gr SMK over 13.3 Grains of H-110 as you can see that cycled every time but did not lock the bolt back on the last round..
What loads...
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Forum: 300 Whisper Rifles and Pistols
06-30-2008, 03:50 AM
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Replies: 16
Views: 2,664
Cycle
I like to swap lowers around so I'm working to make mine cycle without modding the lower in any way. My gas port on my M1S is a little over .123 and I wouldn't go bigger than that.
I spent 7...
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