When we were working soft loads for the 7.62x39 we found that if we went over 1100fps (or about) we needed gas checks. at about 1200fps we found the lead was "melting" in the bore and after about 4...
Type: Posts; User: timattalon
When we were working soft loads for the 7.62x39 we found that if we went over 1100fps (or about) we needed gas checks. at about 1200fps we found the lead was "melting" in the bore and after about 4...