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.38 Special Brass

Emmett Dunham
I was sorting out some range brass a buddy gave me and I felt what seemed to be a deformity in the case about 1/4th of an inch from the case mouth and put them in a different pile. I got my glasses out after I finished sorting the other brass and it was a ring pulled or cut into the brass about 1/8th wide. The case head markings are R P, I was going to throw them away, what is this cut for?

Emmett
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Comments

5 comments

Date Votes
  • charliemeyer007
    Sounds like a cannelure in the case. Usually only found in more or less straight cases.

    http://smith-wessonforum.com/reloading/125414-why-case-cannelures.html
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  • Emmett Dunham
    Makes since but most of the cases I have a light line rinning around the case; this one is a full 1/8th inch wide cannelure, never seen anything like this before.

    Emmett
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  • speedbuggy16v
    possibly wad cutter brass?
    speed
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  • geeguy
    I have thousands like that, although not 1/8" wide. Most are RP nickel. Never noticed any problem loading FMJ or wad cutter bullets.
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  • 62fuelie
    Remington, among others, used the cannelure rings on the cases to code the various types of loads the brass was used for. I remember seeing the write up on this in Rifleman, I think. They had the 158 RNL the 200 round nose "Super Police" load (I think that was Winchester's designation, but both companies had similar loads), the 148 WC and a 150 metal piercing load that was a jacketed cone point. The rings don't pose any threat of weakness in the case, use them until inspection tells you they are done.
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