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Old May 25, 2010, 09:44 PM   #1
Gypsysteel
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Join Date: March 22, 2009
Posts: 8
Minimum OAL for .308 in a AR10?

Hi guys, I've just finished loading a bunch of .308 for my AR10 and I had a old box of Sierra 125gr spitzers, was wondering since the OAL on these is only 2.67" is that too short to be fired safely from my semi auto?
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Old May 26, 2010, 07:32 AM   #2
steve4102
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Join Date: December 23, 2005
Location: Minnesota
Posts: 2,133
SPECIAL NOTE ON CARTRIDGE OVERALL LENGTH “COL”
It is important to note that the SAAMI “COL” values are for the firearms and ammunition manufacturers industry and must
be seen as a guideline only.
The individual reloader is free to adjust this dimension to suit their particular firearm-component-weapon combination.
This parameter is determined by various dimensions such as 1) magazine length (space), 2) freebore-lead dimensions of
the barrel, 3) ogive or profile of the projectile and 4) position of cannelure or crimp groove.
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Old May 26, 2010, 08:05 AM   #3
wncchester
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Join Date: December 1, 2002
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Put a few in a magazine and see if they feed-chamber properly. ??

Probably will.
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Old May 26, 2010, 07:21 PM   #4
oneoldsap
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I've never seen a 125 with a cannelure , How are you crimping them ?
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