My 14 y/o daughter wants to join me deer hunting this year so I needed something she could shoot well with mild recoil. The Rossi 92 in .357 Magnum I bought several years ago fits the bill, but I wanted to improve her hit probability, which meant mounting an optic.
As a copy of the Winchester 1892, the Rossi 92 is a top-eject design, which complicates optic mounting. You need to either find some kind of a mount offset to the side or use something with long eye relief mounted on the barrel.
Rossi drilled and tapped the barrel for a scope mount. The holes are covered up by the open rear sight, which must be removed to use them.
NOE Bullet Molds makes a very nice Picatanny rail that fits the Rossi. I ordered one and received it in a few days. Before installing it, I degreased the mounting holes in the barrel using denatured alcohol, and put a drop of thread locker on each screw.
The optic I chose was a Bushnell TRS-25 red dot sight. Since my Rossi is in .357 I view it as a 75 yard deer rifle. A non-magnified optic is fine for such ranges.
I have a few other TRS-25s and they've all been very good, with clear lenses, a well-defined dot, and rugged. As a micro-dot sight the TRS-25 hardly affects how a rifle feels. Finally, they are low-priced. I got this one for $45 shipped on Amazon Prime. (I just checked Amazon and it's now listed for $43.24.)
Because the NOE rail required removal of the rear sight the gun is left without backup irons if your optic tanks. So, I ordered a bolt-mounted peep from Steve's Guns. When I first bought the carbine I installed one of his safety replacement plugs. I wish I'd just gone straight to his very slick peep sight.
The resulting package is still light and handy with plenty of firepower, but vastly improved low-light shootability.
Last weekend I took my kids camping and my daughter got to put 50 rounds of Fiochi .357 Magnum 158 grain JHPs through the Rossi. Without zeroing the RDS on paper, she was easily able to keep her shots on a 10" gong, shooting rapidly offhand at 25 - 30 yards.
We're hoping to get to the range next weekend so she can get some more practice in and so we can zero the Bushnell.
The final touch to ready the Rossi for hunting season will be to add quick-detach sling swivel studs and a sling.