BudsGunShop.com - Replacing ar15 upper
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I own a bushmaster ar15 but do not like the upper. will any ar15 upper work with my lower
2 Answers
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Yes, I'd say 99.9% of the standard mil-spec uppers will fit. Now mind you, some will fit better than others so try to go with a known brand with a good track record. Online reviews help.