Any recipes for 55gn 556/223 out of a 10.5” barrel

[Lpp]

I’m looking for a recipe for 556/223. I’d like to be pushing a 55g bullet out of a 10.5” barrel @ 2600fps or faster at 50y. Any ideas out or recipes out there?

 

[rweaver00geo]

so out of a 16" barrel im getting about 3000fps with benchmark and 2900 with w748. So minus about 30fps per inch of barrel or even 50fps per inch should be over the 2600fps your looking for. with benchmark being a relatively fast powder I wouldnt think it would much affected by a short barrel. h335 might be a good choice also but i dont have any experience with it

 

[Lpp]

I think I have some 748 in the basement I’ll mess around with it a little (it’s a hard time to be buying anything Gun related I tried looking for some cci primers the other day). I’m losing a little over 60fps per “ going from 18” to 16” then it gets stupid as I go to to 10.5. I’m guessing Im not getting enough pressure. I’ve been messing around with 8208 and cfe223. I think 8208 is in the same ballpark as benchmark.
thanks for the reply