Thanks. I forgot about the Fins and hammer forging.The OP's barrel was most likely hammer forged ( I am assuming here) and due to the nature of the process the twist rate should vary very little from one lot of barrels to another.
Thanks. I forgot about the Fins and hammer forging.The OP's barrel was most likely hammer forged ( I am assuming here) and due to the nature of the process the twist rate should vary very little from one lot of barrels to another.