There are only a couple posts so far that are really responsive to the OP.
Chiappa acquired and became the parent company for Armi Sport and those are Italian companies not Japanese.
I own a few Rossi 92s, two rifles and a carbine as well as a few original Winchesters in both rifle and carbine formats, and an Armi Sport copy of the Model 1892 takedown rifle.
It gives me a good basis for comparison.
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In terms of smoothness and function the Armi Sport / Chiappa Model 1892 is on par with the old Winchesters and the current Miroku made Japchesters (which despite the hate they receive for being made in Japan are none the less very well made high quality guns).
The color case hardened finish on my Armi Sport was also very good (and it’s also very good on my 1859 and 1874 Armi Sport Sharps rifles):
The overall quality is excellent for both metal work and wood work, and the details are very well done right down to the correct execution of the hammer serrations consistent with the other period features on the rifle, like the front sight, butt plate, etc. It’s obvious they closely copied a vintage Winchester 1892 in all respects. The wood even accurately reflects the fairly plain walnut or gum wood stocks the Winchester guns were known for in the standard grade.
Similarly the take down mechanisms are exact copies of the Winchester:
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I like the Rossi 92s and they are real bargains. But they need some work if you want smoothness close to any of the above rifles.
A Rossi 92 needs some elbow grease to clean it up and to polish the cartridge guide and lever detents as well as the camming surfaces on the bolt. You’ll also need to shorten, lighten or thin, the mainspring, the magazine spring, and the loading gate spring, as well as a obtain a lighter replacement ejector spring, and a metal magazine follower. Once you’ve done that it’ll deliver about 90% of the smoothness of the other rifles/carbines.
The newer Rossi 92s also have an annoying pig tail safety on the bolt that I found was way too prone to being moved without the shooters knowledge. IMHO that makes it worse than useless, so I removed mine and replaced with with a plug.
The exterior metal polish and blue on the Rossi 92 is very goos although inside you’ll find a lot of machining marks and grit left over from its manufacture. You’ll also not the slightly different profile of the lower receiver on the Rossi 92.
What isn’t as obvious are the use of coil springs inside that are arguably more reliable than leaf springs. Rossi has made lever actions for modern magnum pistol cartridges since the mid 1960s and has more experience with it than even Winchester. They know their stuff and it’s a very strong action.
The major issue is the stock finish, which to be fair has varied over the years. Mine all had a stock finish with all the charm and grace of shoe polish, and it would run in the rain.
However, it makes a nice base dye for an oil finish. You can apply either Tru-oil or pure tung oil by hand rubbing directly on top of the original finish. The first couple coats will take a day or two to integrate and dry, but the subsequent coats will go on like normal.
If you use Tru Oil, you’ll want to lightly rub the final coat with 0000 steel wool and then some stock sheen to cut the bright shine down to a nice semi gloss finish. All of mine now have oil finishes over the original finish.
Rossi offers, or at least offered, a color case hardened finish and it’s nice but not quite on par with the Armi sport CCH finish. It’s closer to the current Winchester/Miroku CCH finish which is in my opinion a little to garish color wise. (Of course I also think the current Winchester “blue” is way too black and losses the depth the older Winchesters had.)
Over time original CCH finishes faded and I’ve seen more than one “knowledgeable” LGS owner claim a CCH Winchester either has no blue left on the receivers, or claims they are nickel plated when it’s just faded color case hardening. The modern CCH finishes are just surface finishes done with a propriety mix of salts and moderate heat, but they will also fade over several decades.
The short Rossi 92 rifle on the right has a CCH finish.
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In summary, I’m a fan of the Chiappa- Armi Sport Model 1892 and (assuming they haven’t had any quality changes the last decade or so) I’d buy one of them before I bought a Miroku Made Winchester.
The quality is very similar, I like the finish better, and the Armi Sport still has the original operating system with no tang safety. And they normally sell for a little less money.
For a working gun, it’s hard to beat a Rossi 92. They offer great value for the money costing about half as much as an Armi Sport and a third as much as a deluxe model Winchester.