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of the accurate 22s that I have owned...now passed to a grandson..A CZ 452 and a Marlin 880SQ..
I believe the 880SQ had the edge on accuracy. The single Marlin 60 That I owned, easily out shot 3 out of 4 Ruger 10/22s..before I "tricked out" the 10/22s
The one the Marlin couldn't out shoot, was the 10/22 I bought overseas..a first year model,(serial# 66**).
..But that original Ruger out shot some other models of rifles which were considered to be very accurate.