300/221 fireball 300 Whisper Dim. [Archive]

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kdiver58

10-06-2008, 07:08 AM

Could someone please give me a couple of links to 300/221 fireball dimensions?
I just bought a Remington 788 that had been rebarreled to 300/221 fireball and the chamber dimensions are not the same as my M1S upper in 300/221 fireball.
Thanks .. K

Scoots

10-06-2008, 05:07 PM

Here are a couple of links for you to check out:

http://en.wikipedia.org/wiki/.300_Whisper

http://www.ar15barrels.com/prod/300-221.shtml

http://lawfficer.doesntexist.com/300whisper/

http://www.larrywillis.com/OAL.html