No it won’t. Your range officer has a full size grip whereas this is for an officer sized frame and is to short to fit your firearm.

No they will not fit as the RO elite champion is a full size frame wit a 5 inch barrel it needs the standard size 1911 mag 9mm this would be the proper Ruger mag but any manufacturer will work budsgunshop.com/catalog/product_info.php/products_id/20253/Ruger+SR1911+9MM+9RD

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Hi Ray, Yes it will work without issue buddy. Fits:
Ruger SR1911 Officer's Models

This magazine will fit and function without issue Ray.