WB
I've only run about 1200 rnds. through my .510 GNR Custom
Sunday, November 25, 2018, 07:37

and a few thousand through my .300 GNR OM. Time will tell. It usually takes me about a thousand rounds to find my list of "good" loads that I prefer in any given caliber. I also find it's a good idea to replace single shot TC Encore barrel bolt springs every 300-500 rnds. (+/-), in the really big caliber heavy kickers, based on the .50/AK or .348 (.416,.440,.476 GNR).

But then again, I'm just a casual hobbyist shooter, myself.


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