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Page AR-15 » AR Pistols
AR Sponsor: bravocompany
Posted: 5/24/2017 10:15:01 AM EDT
Can you use any upper for a 9mm build? Or do I need to buy a specific 9mm upper?
Link Posted: 5/24/2017 10:37:22 AM EDT
[#1]
any upper will work, typically there are no serrations on the bolt to work with a forward assist so a slick side might be cheaper, but they probably won't have the brass deflector or dust cover also
Link Posted: 5/24/2017 11:18:58 AM EDT
[#2]
Real 9 m.m. uppers are missing the cam pin slot and the gas tube hole.
Some also have a relief on each side of the mag lips.

The guy ^ who told you to get a slick side was spot on.
Page AR-15 » AR Pistols
AR Sponsor: bravocompany
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