Had a quick question. I just bought an upper in 6.5 Grendel and the seller sent 2 types of flash suppressors. I don't want the A2 it came with cuz the other one is way cooler so I want to sell the A2 birdcage. Can that be used on a 5.56/.223 AR? The hole where the round exits is larger than even that of the 6.5 Grendel itself so I know that isn't a concern. I guess it's more will it fit on the barrel of a smaller caliber?
Thanks much
Thanks much


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