A friend is currently testing a salt bath nitride barrel he had done at Thermex. I believe it is a 6.5 Grendel. The cut rifled blank was chambered and nitride’d (bore and exterior). Initial clean-up required the use of bore paste as it was difficult to remove the residue. Carefull measurements were made ... and shooting commenced. Initial groups were mid-threes @ 100M. I doubt there will be any shooting again until spring. He will be tracking throat erosion as the count mounts.
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Old Guys Rule
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