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Should be just fine. Any quality upper should mate to any quality lower as long as the calibers are compatible.
 
Should run without issues. I am a sucker for complete, factory tested uppers and buying lowers that I complete myself with LPK, trigger and furniture.

I have an Aero, PSA, and Anderson lowers that have all run PSA uppers without fail.

Enjoy your new build!
 
I decided I could only have "BCM" written so many times on my rifles, so the one on top is a BCM upper on an Aero lower and the bottom is a PSA upper on a BCM lower. All shoot great!

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I've got a rifle where the only repeating brands are magpul for the stock and grip and geissele for the trigger and bolt catch. Literally every other part, roll pins included, are from different manufacturers.

BCM
Midwest Industries
Geissele
Magpul
Sprinco
FN
Expo Arms
Aero Precision
Timber creek
RTB
Dead Air
Spike's Tactical
Palmetto State Armory
AR Stoner
etc etc

Shoots just fine
 

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