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Doug, I personally have not but have put several uppers on aero precision lowers and they've all come out great. Here's a stripped lower I'd recommend...https://www.budsgunshop.com/product_info.php/products_id/4048/aero+precision+x-15+lower+ar-15+ar+platform+multi-caliber+black+hardcoat.. hope this helps.

Doug, not personally but, there are vendor reviews and you tube reviews you can check out that run without issue under many different AR brand/lowers. The trigger group in the lower is just a small part of the overall operation. Most function happen within this upper. Cheers and stay safe!