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The Basics, Starting Out
Newbie Reloader with Questions
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<blockquote data-quote="MBD" data-source="post: 1466591" data-attributes="member: 106588"><p>New reloader here and I've got some questions:</p><p>- For the life of me I can't get an accurate chamber length measurement. I use an OAL gauge, and there are variances every time. Some are hundredths of an inch.</p><p>Is there a top quality gauge out there?</p><p>Is there a trick I'm missing?</p><p>Tonight I purposely loaded an unprimed, no powder round, "long" and set it in the chamber, gently working the bolt to see if it would close. When it didn't, removed the cartridge, and re-set the die down as close to 1,000th of an inch as I could, and pressed the round; then repeated the process.I ended up doing this several times before the bolt would close safely.</p><p>Measured that round (OAL 3.285 for a 7mm Mag).</p><p>Since the bolt closed safely and easily (not having to force or crank down on the bolt handle), is it safe to assume the round is not in contact with the lands and grooves, or should I back it off another 1,000th ?</p><p></p><p>- I am using the standard RCBS dies, and I'm finding out setting the bullet depth is well, a royal pain. I'm getting inconsistencies in ogive length on rounds.</p><p>I ordered the Redding Micrometer dies. Will this make it easier to get the correct length?</p><p>How hard is it to set the Redding dies to the desired OAL?</p><p></p><p>Thanks for the help</p></blockquote><p></p>
[QUOTE="MBD, post: 1466591, member: 106588"] New reloader here and I’ve got some questions: - For the life of me I can’t get an accurate chamber length measurement. I use an OAL gauge, and there are variances every time. Some are hundredths of an inch. Is there a top quality gauge out there? Is there a trick I’m missing? Tonight I purposely loaded an unprimed, no powder round, “long” and set it in the chamber, gently working the bolt to see if it would close. When it didn’t, removed the cartridge, and re-set the die down as close to 1,000th of an inch as I could, and pressed the round; then repeated the process.I ended up doing this several times before the bolt would close safely. Measured that round (OAL 3.285 for a 7mm Mag). Since the bolt closed safely and easily (not having to force or crank down on the bolt handle), is it safe to assume the round is not in contact with the lands and grooves, or should I back it off another 1,000th ? - I am using the standard RCBS dies, and I’m finding out setting the bullet depth is well, a royal pain. I’m getting inconsistencies in ogive length on rounds. I ordered the Redding Micrometer dies. Will this make it easier to get the correct length? How hard is it to set the Redding dies to the desired OAL? Thanks for the help [/QUOTE]
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