I just picked up a 14 inch 7tcu barrel , I am looking around to see if there is powder that is favored in this barrel ?
From looking through my manuals I was thinking of trying H322 and then my old favorite for the .223 of blc-2
H322 is my powder of choice in the 10 and the 14 both. I get great accuracy, top velocitys, and it burns very clean as an added bonus. But like stated earlier pretty much everything works well on the 7tcu.
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