Is this a half bore #4? I have seen comparison pics, but I guess I need a depth measurement.
Upper left K3 – Upper right K3A
Lower left K4 – Lower right (supposed) K4A
The throat depth measures .375-.380" - is that correct for a 4A?
Thanks
Is this a half bore #4? I have seen comparison pics, but I guess I need a depth measurement.
Upper left K3 – Upper right K3A
Lower left K4 – Lower right (supposed) K4A
The throat depth measures .375-.380" - is that correct for a 4A?
Thanks