22-250 down on fps

I've tried a few different powders but went back to N140. CFE223, yes, I got plenty of speed, but the accuracy was lower in the charge weight, so no better really. H4895, the best! But no longer available, so N140 it is. It's been said above and many other times, around 36g of N140 and a 50,52 or 55 grain bullet will be pretty awesome in a 22/250, giving excellent accuracy and around the 3600fps mark. That's my experience, although I have a 23" barrel. Get some N140 and stick with it, you'll not be disappointed. 👍

cjs
 
If it's accurate you, should be looking to achieve around 3600fps in a 20" barrel.

my experience is that a 22-250 is an inherently accurate chambering. 55gr max are reliable performers from 1-14 twist and tighter.

The performance should be there. Good luck 👍🏻
 
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