Due to the methods used in the manufacture of rimfire, there is no best brand.
Some days best results are with Lapua, the next will be Eley or RWS.
Then there's days when SK kicks butt or CCI gets lucky with a run of 17 hmr.
Get a batch with minimal cartridge defects, results will be amazing.
Tight muzzle velocities and similar trajectories produce tight groups.
Next box from the same maker will show irregular brass, sloppy bullet seating,
asymmetric bullets and major variations in mv due to primer amounts.
I've been testing at 200 yards from my 455's, 50 shots across a chronograph.
The biathlon labeled 22lr does well as did the upper grades of Eley, RWS and Lapua.
SK is decent with the Biathlon Sport doing surprisingly well.
Compare the results and chronograph numbers for y'erself...
I think I've come up with a useful scenario...maybe. :rolleyes: 50 shots at 200 yards, rimfire, whatever setup makes you happy. 22lr, 17 hmr, 22wmr, 17hm2, 17wsm, all brands, all types. Full benchrest setup, bipod, bags or one-piece test rest, it doesn't matter. Grab a chunk of cardboard, about...
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