I finally got to the range!
I just loaded 50 rounds as a test. The picture is a 50 round group.
I did a few with WOLF magnum rifle primers, and all of the ones with the Wolf SRM took two hits to send them down range. All of the rest went with no issue. I really need to invest in a chronograph.
In terms of creating a 'rimmed 9mm' for .357 pocket pistols, do you think the .38 Short Colt would be able to work with .355 9x19 projectiles?
I ask as I've got 5000+ 124gr Gold Dots. And in general theres a wider variety of 9x19 projectiles optimized for lower velocity performance than the typical 125gr .357 projectile.
If 9mm projectiles can work, then thats going to push me to get into .38 Short Colt.
Given that the grip in question is a Hogue, it's likely very, very close to the Hogue no finger groove grip, which is essentially identical in side profile to the S&W X frame grip, minus the finger grooves.
I have two X frame grips for sale, new in package. They can be easily stretched onto any round butt N frame.
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Not another dime.
@Outpost75 literally wrote one of the books about this. Hopefully he weighs in.
If not, one of the key aspects of revolver accuracy is bullet fit in the cylinder throats. Otherwise the bullets yaw. Hopefully your throats are exactly .357-.358 and not bigger. Regardless, a .355 projectile will likely not give you great results. But they’ll probably be acceptable. As in instead of 2 inches at 25 yards, you’ll get maybe 4 inches.
Several bullet manufacturers make 125 gr .38 special spec bullets that expand at lower velocities. I’ve shot a bunch of the Remington jhp version.
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Just depends on what your barrel actually measures. At one time I had 7 .357s and they ran from .355 to .359+, so they can vary a lot. Two at .355 were 2.5" Smith 686s.
If they were from the electro-chemically machined rifling era, that doesn't surprise me. The depth of the grooves is entirely process dependent, which puts it in the variability maelstrom of S&W QC management. It's not even something that the tooling folks can control e.g. with a properly spec'ed button. I've seen some goofy electro-chemically machined rifling in S&W products.
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Not another dime.