That is just a big load of crappolla that unfortuneately half decent people invented to show their really bad undecent side with. I even wrote Jeff Quinn on Gunblast last week and asked him if he had heard of a break in procedure for a new rifle barrell. Supposedly some brain surgeon scam artist cam out with special barrel breakin bullets.....I am betting it was the PT Barnum bullet company. I trust Jeff Quin about anything that makes a bang when you pull the trigger. He said no. Just do not overheat a new rifle. I agree. I do fire about ten rds and run an oily patch through or shoot a squirt or two of Mobile One synthetic motor oil down the bore.It makes a fantastic muzzle flash and will help clear any loose debri. I DO think it is importat to clean a new bore real good before fireing it because it could have packing grease or fine debris of some kind tha could score it if it were shot through the bore.
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