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Rifles, Reloading, Optics, Equipment
Reloading
Creating tight neck brass for a factory chamber
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<blockquote data-quote="boomtube" data-source="post: 287705" data-attributes="member: 9215"><p>"..voilla! custom fitted 308 win brass! has anyone else done something similar? As far as chamber measurements are concerned how accurate is a cerrosafe casting?"</p><p> </p><p>It works fine. May or may not help - of course, what is certain in reloading anything? - but the effort is challanging and can be interesting. I make tight neck cases for .308. .243, 22-250 and 6mm International from .30-06 and .35 Whelen. It doesn't make a huge difference in accuracy, nothing does after we get to a certain minimum group size, but every nit-picky thing helps.</p><p> </p><p>I've found the hand held Forster HOT-100 neck turner to be easy to use and it does a great job. Got mine from MidwayUSA, not really expensive and has both a calibrated screw and carbide cutter with a nifty relief angle on the corner to reduce damage to the shoulders.</p><p> </p><p>Cerrosafe is GREAT for chamber casts to obtain the actual chamber neck diameter. I'm cheap, usually use melted "Flowers of Sulphur", powdered sulphur from a drug store for a couple of bucks and it works fine but Cerrosafe is certainly the better casting material. (With either material, don't over-fill the chamber or you will find it locked into the bolt lug recesses!)</p></blockquote><p></p>
[QUOTE="boomtube, post: 287705, member: 9215"] "..voilla! custom fitted 308 win brass! has anyone else done something similar? As far as chamber measurements are concerned how accurate is a cerrosafe casting?" It works fine. May or may not help - of course, what is certain in reloading anything? - but the effort is challanging and can be interesting. I make tight neck cases for .308. .243, 22-250 and 6mm International from .30-06 and .35 Whelen. It doesn't make a huge difference in accuracy, nothing does after we get to a certain minimum group size, but every nit-picky thing helps. I've found the hand held Forster HOT-100 neck turner to be easy to use and it does a great job. Got mine from MidwayUSA, not really expensive and has both a calibrated screw and carbide cutter with a nifty relief angle on the corner to reduce damage to the shoulders. Cerrosafe is GREAT for chamber casts to obtain the actual chamber neck diameter. I'm cheap, usually use melted "Flowers of Sulphur", powdered sulphur from a drug store for a couple of bucks and it works fine but Cerrosafe is certainly the better casting material. (With either material, don't over-fill the chamber or you will find it locked into the bolt lug recesses!) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Creating tight neck brass for a factory chamber
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