The 37 XC (eXtra Capacity) was developed by David Tubb and is the standard 33 XC necked up to .375. The cases at this stage are not properly headstamped and uses the 33 XC case.
37 XC TUBB
The 37 XC (eXtra Capacity) was developed by David Tubb and is the standard 33 XC necked up to .375. The cases at this stage are not properly headstamped and uses the 33 XC case.