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7.62x54r Reloading Episode 5

Advanced Reloading Techniques for long range shooters and more

Re: 7.62x54r Reloading Episode 5

Postby 0933 » Sat Mar 01, 2014 8:07 am

Grimstod wrote:Lees brass cutting tool is the worst one out there. Nothing personal I just don't like it at all. I don't think its constant from firing to firing.

Now that I have said this I had better explain why. The tool measures off the flash hole. This is not always consistent from shell to shell. Its internal to so if you have some thick brass then you trimming length will change. This is also a volital part of the shell. You can see in the animation that it can move back with each firing. I bet if your took a caliper to you trimmed brass you might even find some variance.

Also, the cup thickness in the bass of the shell is different from lot to lot and especially different from manufacturer to manufacturer.

Another thing I don't like about them is that if you debure you flash hole you remove brass and then you brass trimmer will cut even more brass off the neck.

If your description of how the Lee case trimmer worked was true, then it would definitely be the worst case trimmer design there is... However, the Lee case trimmer is no different than the 'lathe' type case trimmers.

As Jared said, the Lee case trimmer indexes of a plane that is held against the base of the case. Thus, your case length will not vary. The lathe type trimmers, while not exactly the same type of stop, use a physical stop to stop the cutter once the correct length is obtained. I both these cases the index point is the base of the case, and the cutter is stopped once the correct length is met. I don't see how either of these trimmers would yield more consistent results than the other as they both use a physical stop to set the case length.

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Re: 7.62x54r Reloading Episode 5

Postby Grimstod » Sat Mar 01, 2014 11:28 am

My bad. This trimmer is a little different then the one I have handled at Bass Pro.

ShootnMathews wrote:No offense taken Ben but I have to disagree with your explanation of how the lee trimmer works. The shell holder when tightened holds the base of the brass tight against the steel face. Then the pin of the trimmer sticks through the primer hole to the steel face. It does not rest at all on the flash hole or brass. The length it trims is from the shell holder face to the cutter. Ill see if I can find a cut away picture or diagram to show it. Or I'll just cut up an old brass to show.

Edit. Pic added. Shell holder holds brass base tight against steel face

Looking forward to the forester die video. Never used those dies before.
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Re: 7.62x54r Reloading Episode 5

Postby ShootnMathews » Sat Mar 01, 2014 6:36 pm

No problem Ben. just a mis understanding. The picture T posted is exactly what I was looking for. Thanks T.
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