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Forum: 300 Whisper Rifles and Pistols 10-19-2010, 10:11 AM
Replies: 18
Views: 3,136
Posted By alorton
Alliant 2400, listed in most reloading manuals as...

Alliant 2400, listed in most reloading manuals as just "2400".

A few other popular choices are Lil Gun, Viht N110, or AA1680.
Forum: 300 Whisper Rifles and Pistols 10-18-2010, 09:50 PM
Replies: 18
Views: 3,136
Posted By alorton
You are correct that if you are under 1000fps you...

You are correct that if you are under 1000fps you should be subsonic. That's why I was curious as to the possibility of having a chrono that reads a little low. I've heard of shooting across two...
Forum: 300 Whisper Rifles and Pistols 10-16-2010, 08:33 PM
Replies: 18
Views: 3,136
Posted By alorton
The speed of sound can vary with temp but...

The speed of sound can vary with temp but anything under 1000fps should be safely under. Perhaps you have an incorrectly calibrated chronograph or you have unrealistic expectations if how quiet a...
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