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tank1949 · August 17, 2013, 10:10 AM

I am considering purchasing a 300 AAC Blackout upper or just barrel/assembly. I have an extra AR-15 flattop upper with bolt assembly that I'd prefer to simply attached a 300 barrel, tube, etc. But. I don't know if this would be possible. Or, does the 300 require special upper and upper hardware?????

August 17, 2013, 10:10 AM	#1
tank1949 member Join Date: November 12, 2012 Posts: 243	300 AAC I am considering purchasing a 300 AAC Blackout upper or just barrel/assembly. I have an extra AR-15 flattop upper with bolt assembly that I'd prefer to simply attached a 300 barrel, tube, etc. But. I don't know if this would be possible. Or, does the 300 require special upper and upper hardware?????