Quoted:
I am going to get jumped for this...but in my opinion...Springfield 1911s offer the best value today...
I had a WC and I just did not see that much refinement over a Springfield TRP...especially at the price difference.
They both had about the same frame to slide fit...WC did offer a better trigger feel...but it wasn't mind blowing...
So go for a Springfield! Ronin is a solid platform to start. I am considering a Emissary myself...
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You are right... Springfield 1911's are excellent! Even their lowest end 1911, the Mil-spec Defender series, is actually a very nice gun (especially considering that they could be bought for around $500 in late 2019 through early 2020).
But to answer the OP's question, I think it comes down to budget and what features you want. The only real differences that I can see between the parkerized Loaded and Ronin are aesthetics, the guide rod, and the sights. If you want the Tritium Night Sights, a full length guide rod, and don't care about a Bi-tone finish, go for the Loaded. The Ronin is usually a little cheaper, but given that the the cheapest .45 Ronin I could find is more than the cheapest Loaded, the Loaded may be a smoking deal unless the dealer has a good price on the Ronin. If you don't want the night sights or full-length guide rod and you like the Bi-tone finish go for the Ronin.
If I sold my 1911 and bought a new one I would go for the Ronin in 9mm. I personally don't see the
real advantage of the full length guide rod on a 1911 (makes field-stripping a little more difficult) and while front-rear night sights are certainly better, I can certainly make do with out if I have to. (If you have to use it at night, you should have a flashlight and be able to "silhouette" the sights.)