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9/19/2017 7:27:10 PM
Posted: 2/3/2006 7:48:38 AM EDT
Hello one and all,

Been thinking about building a AR / SBR, with an 11 1/2 inch barrel.

Any idea on the velocity -- of 55 and 62 grain ball -- out of a SBR like this ? ?

Thanks ! !

Link Posted: 2/3/2006 8:53:08 AM EDT
Link Posted: 2/3/2006 9:18:27 AM EDT


Looks like you would not really want to go under 8.5".
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