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Post by x101airborne on Dec 29, 2023 16:30:53 GMT -5
May I ask what your intended use for this load is? Hunting? Paper punching?
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Post by blackmamba on Dec 29, 2023 17:12:45 GMT -5
Tj, here is a photo with RFN bullets, one seated in the crimp groove and the other about .010" above the start of the ogive.  |
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Post by bigbore5 on Dec 29, 2023 18:32:27 GMT -5
Tj, here is a photo with RFN bullets, one seated in the crimp groove and the other about .010" above the start of the ogive. Deep seated like that, do you use Schofield data? |
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Odin
.375 Atomic
Posts: 1,103
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Post by Odin on Dec 29, 2023 20:49:32 GMT -5
Deep seated like that, do you use Schofield data? I'm just gonna pop in here a second to remind everyone of the little nugget Encore64 dropped of a month or six ago... The 45 Schofield and the 44 Special have the same case volume. That little fact, and a handful of articles from Brian Pearce, have given me a lot more confidence on where to start (and stop) when deep seating with the 45 Colt. Now, if we could only get Pearce to write an article specifically on deep seating the 270SAA... |
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Post by blackmamba on Dec 31, 2023 9:51:09 GMT -5
Wayne, I use Gordon's Reloading Tool and just load to the pressure and velocity I want based on the actual bullet and seating depth that I plug into the program. Generally speaking, deep-seating by .09 to .10 inches and lowering the charge by .7 to 1.0 grains gives equivalent velocity, albeit with a slightly higher pressure.
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Post by bigbore5 on Dec 31, 2023 19:24:04 GMT -5
Wayne, I use Gordon's Reloading Tool and just load to the pressure and velocity I want based on the actual bullet and seating depth that I plug into the program. Generally speaking, deep-seating by .09 to .10 inches and lowering the charge by .7 to 1.0 grains gives equivalent velocity, albeit with a slightly higher pressure. I also use Gordon's for load development. It's what I am using for the 357mag trimmed to 1.25" to fit long swc's into my shorter cylinder guns and still crimp in the crimp groove on the 358429 and Accurate 360-170J. |
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