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A pump is a pump is a pump - They're mostly all good.
(I have a Marlin Model 38 .22 pumpgun, made more than 30 years before the .22 WRM was introduced)
The only caveat, IIRC, is that Henry had issues with their 1st generation .22 Mag pumpguns, and stopped production for about a year to get it right.
There's been zero issues with the 2nd generation Henry .22 Magnum pumps.
The top-ejection models, like the Taurus/Rossi clones of the old Winchester 90/06, are harder to scope, if that's in your future.
The Browning BP-22M is a very nicely-finished WMR pumpgun, and a.22WMR Winchester Model 61 will today cost every red cent you can beg, borrow & steal.............
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