I shoot a tight necked 6mm PPC and am about to get a new bbl for it. I have learned alot and am wondering how many times should you fire your cases before you anneal the necks and bump the shoulder.
thanks
Jay
thanks
Jay
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Erik Cortina said:Well, speaking of overkill, I anneal everytime! But since my neck tension is very consistent then I won't change a thing.
As far as bumping the shoulder back, I also do that everytime. I bump it back 0.001" and that seems to work.
mikeymike said:Hi Guys,
Do you HAVE to clean your brass (sonic, tumble) before you anneal every time??? Thanks, Mike
DaveBerg said:When to anneal Lapua brass?
Never.
6BR - shoot it until the barrel's gone then into the scrap bucket (about 40 firings each for 40 cases). The brass will change as will seating force for a few firings then will be steady as a rock until it hits the bucket.
30BR anneal after expanding then shoot it until you feel embarassed because it's so old. Like 80-100 times on mine. Randy Robinette says he shot his first batch of 30BR brass until the barrel was retired at 7,000+ rounds. He figured over 200 firings on each. Never annealed any of them. Calls it Voo-Doo.