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I purchased a used Sako Rihimaki with a bull barrel, Borfors steel. Running a rod through the barrel indicates a metric twist rate or 1-15 inches. Does anyone out there have the same rifle and can confirm this? What is your most accurate load IE; bullet length, weight, make and powder and OAL? I am coming close to 3'8 inch at 100 yards but this is not consistant. I tried over 15 differant bullets and loads. It appears that with this twist, selection is critical for accuracy. Most triple dueces have lite bullets, ranging from 40 to 52 weights.

ROD
 

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Factory Twist Rates

^ I see some Sakos in 222 with 1-14, and 1-16 twist rates and a Sako in 222 Rem Magnum with a 1-15.5 twist rate in that chart.
 
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