Agree. My .225 Win is a 1:14, and it won't stabilize anything heavier than 55s.The slowest twist I would recommend is the 1-12. That buys you some wiggle room in case you want to try heavier than your 50-grain choice later. At .223 velocities a 1-14 twist isn't likely to stabilize much heavier than a fifty-five or so grain bullet. Some may do it, but they have to be on the edge of performance.
Same with my .22-250 (Ruger #1) but it dearly loves Hornady 52-grain AMax (ELD-M now) bullets at 3,850 fps. Once that barrel dies, I'll either re-barrel it or replace the rifle with one at a 1-9" minimum.Agree. My .225 Win is a 1:14, and it won't stabilize anything heavier than 55s.
IMO a 9tw in 22 cals is kind of the Goldilocks twist rate, not to fast, not to slow, but just right for all but the heaviest bullets. I personally wouldn't build anything with a 14tw my comment earlier about a 14tw was with regard to answering the OP's question about best twist rate for a 50gr Vmax.Same with my .22-250 (Ruger #1) but it dearly loves Hornady 52-grain AMax (ELD-M now) bullets at 3,850 fps. Once that barrel dies, I'll either re-barrel it or replace the rifle with one at a 1-9" minimum.
I think you should be able to develop good loads for those. The 52-grain HPBT and 52-grain ELD-M (A-MAX) shoot superbly in my 1-14" .22-250, which is notoriously picky about bullets and weight, and my 1-8" .223. In your rifles they should perform quite well. I have some 53-grain V-MAX on the way, so I'll be trying them next.searcher,
I like speed but accuracy is my thing. The 50’s are becoming harder to find but I did pick up some Hornady 52gr HP, 52gr ELD-M and 53gr V-max this weekend. I will be giving these a try as soon as the weather breaks in my 9 and 12 twist 223’s plus my 12 twist 221FB