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Rifles, Reloading, Optics, Equipment
Reloading
Case trimming
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<blockquote data-quote="SBruce" data-source="post: 509550" data-attributes="member: 21068"><p>You will <u>eventually </u>need to trim your cases, but hopefully you can get at least a couple/few reloads before they get to that "maximum" length.</p><p> </p><p>I've never been too concerned with "optimum" length, perhaps others do.?</p><p> </p><p>FWIW, I have always waited until they get close to that maximum length and then trim back about .010" to .012" I'll trim the whole cartridge box at that time. So I'll generally have at least 50, or 100 cases trimmed to the same length at that point.</p><p> </p><p>Neck sizing has allowed me to maximize the number of reloads between trimming sessions. Seems that most times I FL size, the cases lengthen by a few thousanths each time.</p><p> </p><p>There are two ways that I know of on "how to determine max case length". One, is just go off the reloading manuals' dimension. Most will list a max length or a trim to length. The other way is to buy a cartridge length guage or have one made by a machinest. The guage will tell you the real length of the neck in your chamber. When the cases get close to that length, trim back at least .005 to maybe .015" kinda your choice on how far back you go, but if you only go .005, you'll be trimming more often.</p></blockquote><p></p>
[QUOTE="SBruce, post: 509550, member: 21068"] You will [U]eventually [/U]need to trim your cases, but hopefully you can get at least a couple/few reloads before they get to that "maximum" length. I've never been too concerned with "optimum" length, perhaps others do.? FWIW, I have always waited until they get close to that maximum length and then trim back about .010" to .012" I'll trim the whole cartridge box at that time. So I'll generally have at least 50, or 100 cases trimmed to the same length at that point. Neck sizing has allowed me to maximize the number of reloads between trimming sessions. Seems that most times I FL size, the cases lengthen by a few thousanths each time. There are two ways that I know of on "how to determine max case length". One, is just go off the reloading manuals' dimension. Most will list a max length or a trim to length. The other way is to buy a cartridge length guage or have one made by a machinest. The guage will tell you the real length of the neck in your chamber. When the cases get close to that length, trim back at least .005 to maybe .015" kinda your choice on how far back you go, but if you only go .005, you'll be trimming more often. [/QUOTE]
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Reloading
Case trimming
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