strapman
Active Member
Sako chambered rifles for .300 Weatherby but did they produce factory rifles in .340 Weatherby?
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Is it a Sako factory barrel? If so, I'm sure Sako would have made the twist to SAAMI/CIP specifications which is 1 in 10" or the metric equivalent. Just Google "340 Weatherby Mag twist rate" to confirm. What exactly do you want to know about the "barrel". Without pics & more info that's about all we can help you with. BTW, you can also measure the twist rate yourself with a tight patch on a cleaning rod, a pencil, & a measuring tape.