I am shooting the 160 gr TTSX out of a sporterized K98, made in 1940 , KYF, Winchester or Lapua Brass, seat about 2 mm from lands. Hodgkon says 54 gr max for CFE 223, but keep in mind this is for <48 k CUP, or for old M 96. Modern guns can do 58 k PSI.
I get 2940 fps with good precision.
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