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Rifles, Reloading, Optics, Equipment
Reloading
new to wildcatting...help!
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<blockquote data-quote="Aussie" data-source="post: 67313" data-attributes="member: 2447"><p>Cowboy ,</p><p>I initially bought Winchester brass for my .243 AI and found it to be well under spec. in terms of diameter at the case head expansion ring . Got a big bulge there every time I fireformed one . Ugly but not really a problem . Weights were all over the place so sorted them into 3 weight groups . Punched flashholes so chamfered and deburred them.</p><p>Bought 100 Lapua cases and found that all of the above jobs were already done . No ugly bulges either . Many people observing that if you buy Lapua brass all you need to do is neckturn if you have a tight neck chamber and chamfer the mouth . No measurable accuracy improvement coming from other case prep. </p><p>I haven't lost a single case when fireforming . I use 42.5gns Varget with the 70gn Nosler BT .</p></blockquote><p></p>
[QUOTE="Aussie, post: 67313, member: 2447"] Cowboy , I initially bought Winchester brass for my .243 AI and found it to be well under spec. in terms of diameter at the case head expansion ring . Got a big bulge there every time I fireformed one . Ugly but not really a problem . Weights were all over the place so sorted them into 3 weight groups . Punched flashholes so chamfered and deburred them. Bought 100 Lapua cases and found that all of the above jobs were already done . No ugly bulges either . Many people observing that if you buy Lapua brass all you need to do is neckturn if you have a tight neck chamber and chamfer the mouth . No measurable accuracy improvement coming from other case prep. I haven't lost a single case when fireforming . I use 42.5gns Varget with the 70gn Nosler BT . [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
new to wildcatting...help!
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