4350/2209 seems is probably the most common powder used as basically anything that goes well in a 6.5CR goes well in a 22CR. Yanks tend to use likes of Varget/2208 for lighter end of spectrum loads 60s-75's to H1000 at the other end with heavier 95's fairly common. Staball, H4831SC you name, so many different powders seem to work. My pet load is 40.7gr RL16 behind the 88's.
Started out with RL26 and you get some hotrod performance and also accuracy but had problems with carbon ring build up shooting shorter barrel suppressed, longer unsuppressed would be ok . Super Performance seemed to look promising with the 95 SMK also but just didn't follow up on. 88's are good and bought a heap when were only 45c each and great all rounder, they seem to hit animals quite hard.
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