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8/15/2011 10:35:27 PM EDT
Need help researching chamber dimensions for the M2 and the M107; looking for diagrams if available... internet is on the fritz and I can't use search engines right now.

Thanks.
8/16/2011 6:09:27 AM EDT
[#1]
Barrett uses a proprietary chamber reamer. The neck and throat are a little different than standard but still allow mil standard ammo to be chambered.
I doubt very seriously you will find an M107/M82A1 chamber drawing on the 'net.

Color me surprised if you do.

ETA: it will have to have been furnished to the .mil as part of the drawing package of the M107 program. That may give you a starting point.
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