Im using Bertram in mine and seems to be ok, only about 80 odd rounds, was using norma before that but got a extra 3 grains in the Bertram.
Predator action, trueflite barrel
Im using Bertram in mine and seems to be ok, only about 80 odd rounds, was using norma before that but got a extra 3 grains in the Bertram.
Predator action, trueflite barrel
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