BudsGunShop.com - Compatability
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Will this lower work with a Rad Firearms 7.62 complete upper? thanks
2 Answers

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Will this lower work with a Rad Firearms 7.62 complete upper? thanks
Hi Dan and welcome. No Sir, it will not. You will need a 7.62 lower. Cheers and stay safe!
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Aero Precision M4E1 Complete Lower Receiver M4 Stock A2 Grip FDE
If you are talking about a 7.62x39 upper, yes those work with Aero aAR-15/M4 lowers. If you are talking about 7.62x51, then no, you would need an AR-10/M5 lower.