This is my 3" Model 60-15:
This is a 30 round group fired at 25 yards off hand with the 3" Model 60 pictured above. The 9s are my fault:
This a 10 yard group fired with a 125 gr .357 Magnum load developing 1250 fps in my 3" Model 60:
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I also own a 3" SP101. It's .3 of a pound heavier than the 3" Model 60, but the extra metal in the frame and forcing cone makes it even more pleasant to shoot with .357 magnum loads, and it should tolerate a frequent diet of .357 Magnum loads better than the Model 60:
It's also a tack driver at 10 yards with the same .357 magnum load:
It also shoots similar 25 yard groups to my Model 60, just about 3" lower with 125 gr bullets (the fixed sights are regulated for 158 gr bullets).
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Both the 3" Model 60 and the 3" SP101 make great pack/tramp around in the woods, or concealed carry guns as they offer a great balance of power, accuracy and portability.
Personally I like the trigger and the overall feel of the Model 60 better than the SP101, and I prefer the excellent adjustable sights on the J-Target frame, but the SP101 is the stronger pistol, so it's a toss up which one I'd say is better.