Ruger was a bit crazy with the names of certain models , there always seems to be exceptions .
Good solid guns that command a decent price and some demand on the used market,you did quite well price wise.
As others have said , finding grips can be dicey if the ones you have don't fit you well.
The triggers , while not horrible , are usually a bit heavy . Aftermarket spring kits are reasonable and easy to install. They would be available at Brownells , Midway or Midsouth and usually cost $12 to $18 as I remember. Usually the kits have several spring weights . Lighter is best for a light trigger but too light might not be reliable
with all primers. Test fire before counting on the gun for self defense.
I know I am on the wrong board but I favor S&W revolvers because of slightly better triggers and a balance that I favor But the OP has got himself a decent gun at a great price.
A decent 357 revolver is something every gun guy or girl should have. The ability to shoot everything from wimpy 38 target loads up to and including heavy 357 loads covers lots of use