Thread: MEGA upper with 12.5 inch AAC 300 AAC BLACKOUT barrel.
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Old 08-09-2011, 03:30 PM
rsilvers rsilvers is offline
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Join Date: Mar 2010
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MEGA upper with 12.5 inch AAC 300 AAC BLACKOUT barrel.
This one has shot 58 proof rounds on the barrel and bolt. Then I shot a 50 yard 5-shot group with Remington Premier Match 125 and the 4x scope.




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