Depending on the neck size in your chamber the brass may require neck turning. I tried17 Fireball and found the brass to be acceptable with neck turning required for one of my fur balls. Factory chambers may be more forgiving in the case of 17 FB chamber neck diameter.Other issues that may be of concern include a hand full of the brass per hundred may have neck splits, 20 vartarg should be better than the 17 FB in this regard.

I had a preference for annealing the neck shoulder area on the first firing of my brass to prevent neck splitting and once again after the first fire forming. Just my observations others will have another view I am sure.


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