I just picked up a used model 12 with a serial number that starts with G50xxxx. Any way to determine what the twist rate is? Seems like my choice are 1/7 or 1/9 in the current guns.
Thanks in advance
I just picked up a used model 12 with a serial number that starts with G50xxxx. Any way to determine what the twist rate is? Seems like my choice are 1/7 or 1/9 in the current guns.
Thanks in advance
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