SmallCaliberCentral

Does anyone know where I can find the reccomended rate of twist for a .224 55 grain sierra blitzking

Ruger No. 1,
That's a tough question to answer without some addtional information. However, here's some links that might enlighten you a bit and help you make up your own mind.

http://www.6mmbr.citymaker.com/barrelFAQ.html#24639

http://www.chuckhawks.com/rifle_twist_list.htm

http://www.riflebarrels.com/articles/bu ... _twist.htm

Hope this info helps you out.
Rgds, Gerry

I believe that is going to be a 1:12 twist.