Forum: 300 Whisper Ammo and Reloading
10-26-2008, 05:14 PM
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Replies: 1
Views: 1,069
Another AR magazine question and COAL
I've used Larry Willis' "split case tool" to determine the COAL of my chamber for 220gr and 200gr bullets.
http://www.larrywillis.com/OAL.html
This gave me a COAL of 2.310" for my chamber, but...
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