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Posted: **Fri Nov 20, 2020 8:27 pm**

Looking for a upper receiver for a 300 Blackout build. I already have the barrel. Anyone know who has them in stock?

Thanks.

Posted: **Fri Nov 20, 2020 8:35 pm**

Posted: **Wed Nov 25, 2020 10:49 pm**

I've seen them in various places in stock. www.aimsurplus.com has a couple brands

https://aimsurplus.com/parts/ar-parts/uppers/

WTB Upper Receiver