mixing of upper and lower receivers

The Gooch

New member
People

I just purchased an eagle arms m15a2. If I want, later on can I mix a bushmaster upper with the eagle lower? Or vise versa? Can I expect some mating problems with the receivers?

Thanks

Gooch
 

MiniZ

New member
There shouldn't be any issues. I have personally used uppers of all the major manufacturers on my Bushy lowers without incident.

The only "odd" one of the bunch is Colt with their large pivot hole. Still, no big thing. There are companies that make offset pins that will mate a small hole lower with a Colt upper.
 
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