M77 MKII RSI in 243 barrel twist rate ?

[kemper]

M77 MKII RSI in 243 barrel twist rate ?

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Could someone tell me what the barrel twist rate is on a Ruger
M77 MKII RSI in 243 caliber ?

What is the best bullet weight or factory load to use
with the 18.5 inch barrel on the RSI ?

Thanks in advance

 

[Geno]

They have a 1-9 twist.

Http://www.gunsamerica.com/976627537/Guns/Rifles/Ruger-Rifles/Ruger_77_RSI_MKII_243_Win_Ne.htm

Geno

 

[rule303]

I believe all Ruger .243's are 1-9", except the V models.