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Old January 14, 2020, 01:52 PM   #12
TruthTellers
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Join Date: October 22, 2016
Posts: 3,031
Quote:
Originally Posted by RaySendero View Post
TT, A few years ago I was working up a practice/plinking handload for my 44spcl. I noticed a similar issue like you with some rounds having much weaker recoil. So here's the story - May apply to what your seeing.

I wanted an inexpensive practice/plinking reload that would shoot to the same POI as my PD load. So I pick a light inexpensive bullet and Red Dot powder I always have. Loaded up 5 rounds each of both an 85% and a 94% maximum. They shot OK to POA but the velocity variation was unusually high and I could feel that difference in the recoils

So next I loaded some 84%s to two different COLs. 1 was the same as above and the other was shorter:

For one group of the longer COLs, I shot the pistol after holding the barrel up as to put the powder to the rear of the case - Velocity averaged 850 fps. For the next group of the longer COLs, I shot the pistol after holding the barrel down as to put the powder forward in the case - Velocity averaged 571 fps.

For one group of the shorter COLs, I shot the pistol after holding the barrel up as to put the powder to the rear of the case - Velocity averaged 896 fps. For the next group of the shorter COLs, I shot the pistol after holding the barrel down as to put the powder forward in the case - Velocity averaged 810 fps.

I've since used the shorter COL .
I'm well aware of the benefits of reduced powder/air gap in cases giving improved performance, I was just figuring that .327 loaded with Trail Boss would fill the case well and also give a fairly high, but not too high, velocity.

Hmm... now I'm wondering if I should also try these bullets in a .32 S&W Long case. Would only be shooting in a .32 Mag and .327, so I could load it hotter than standard .32 Long, granted there is no data out there I know of loading a .32 ACP bullet into .32 Long.

I'll have to work on this.
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