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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Match Cases
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<blockquote data-quote="DANTEC" data-source="post: 30111" data-attributes="member: 685"><p>brass raw material quality , too soft is bad , too brittle is bad </p><p>draw cocentricy between ou side and inside wall</p><p>weight uniformity that generate variation of wall thickeness</p><p>primer pocket quality ( tight and round ) depght can be recut so that not a real problem</p><p>flash hole size , cocentricy to primer pocket </p><p>head squareness to allow to get a perfect sqaure head to bore axis</p><p>brass anneal quality ( unformity in teh same batch ) </p><p></p><p>all this prameter allow you to get match brass </p><p></p><p>some parameters can be get by sorting as exemple on my 6.5/300 DTC Yuma I use 300 WIN mag case ( Winchester brand ) that I sort by weight after forming so I can remove weight variataion , I ream flash hole deburr inside and check during neck turning real uncocentric neck . so I get not too bad case for LR </p><p></p><p>main problem is raw brass quality the very best is SAKO ( but costly as gold ) Lapua is very good , RWS is very hard brass but quality is good , Norma is very soft</p><p></p><p>that because you need before to choice one cahmebring to check what qulaity of brass you can get and at what price , sorting case is always possible but purchase a batch of case at 0.5 buck each is more easy for the wallet that case at 2 buck piece ... </p><p></p><p></p><p>good shooting</p><p></p><p>DAN TEC</p></blockquote><p></p>
[QUOTE="DANTEC, post: 30111, member: 685"] brass raw material quality , too soft is bad , too brittle is bad draw cocentricy between ou side and inside wall weight uniformity that generate variation of wall thickeness primer pocket quality ( tight and round ) depght can be recut so that not a real problem flash hole size , cocentricy to primer pocket head squareness to allow to get a perfect sqaure head to bore axis brass anneal quality ( unformity in teh same batch ) all this prameter allow you to get match brass some parameters can be get by sorting as exemple on my 6.5/300 DTC Yuma I use 300 WIN mag case ( Winchester brand ) that I sort by weight after forming so I can remove weight variataion , I ream flash hole deburr inside and check during neck turning real uncocentric neck . so I get not too bad case for LR main problem is raw brass quality the very best is SAKO ( but costly as gold ) Lapua is very good , RWS is very hard brass but quality is good , Norma is very soft that because you need before to choice one cahmebring to check what qulaity of brass you can get and at what price , sorting case is always possible but purchase a batch of case at 0.5 buck each is more easy for the wallet that case at 2 buck piece ... good shooting DAN TEC [/QUOTE]
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