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August 12, 2019, 08:17 PM | #26 |
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Long ago, tinkering and experimentation got me to 158 grain LSWC, 3.8 grains Bullseye. Which, as it turned out, was the old "FBI load".
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August 12, 2019, 08:19 PM | #27 |
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I feel comfortable carrying my 637 with +P button nose wadcutters. This is not for everyone. A J frame has been part of my rotation for almost 30 years.
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August 13, 2019, 07:43 AM | #28 | |
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Quote:
Don
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August 13, 2019, 08:12 AM | #29 |
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Have you run HS-6 at 38 Special pressure in a 1 7/8" barrel? We had a fellow on another board getting terrible velocity extreme spread with it. Ran from 450 fps to 650 fps. Of course, I didn't get to stand over him and watch his loading practices.
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August 13, 2019, 08:54 AM | #30 |
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All I've got are 2.5" Model 19's. If that fellow was getting 450 -650 fps with normal loads of HS-6, I would highly suspect chronograph issues. My load is 7.0gr, and average velocity was 940 fps. Don't recall what the ES was, but it was certainly not excessive. Oh, BTW, magnum primers are a prerequisite for HS-6 loads.
Don
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August 13, 2019, 09:02 AM | #31 |
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I actually prefer a 50 BMG for defense but they are not only illegal but it won't fit in my pocket so I'll stick with my 642 which will fit in my pocket and I can draw it from my pocket. Can't do that with many if any semi autos due to the shape. Might be possible with an LCP.
I'm getting 900fps with 125 XTPs in the 642. |
August 13, 2019, 09:14 AM | #32 |
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FWIW
M638, Win brass, cast performance 160 gn FNPB. 5.5 gns HS-6, Fed 100 primer 689 fps, 687 fps, 683 fps, 708 fps 5.5 gns HS-6 Fed 200 primer 700 fps, 692 fps, 696 fps 5.5 gns V V N-350, Fed 100 primer 770 fps, 814 fps, 812 fps, 845 fps Rem 158 LSWHP, Win plated brass, 5.6 gns Power Pistol, Fed 100 primer 808 fps, 799 fps, 813 fps Last edited by zeke; August 13, 2019 at 09:47 AM. |
August 13, 2019, 09:50 AM | #33 | |
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Here is some load data regarding the FBI Load as done in a 2" barrel by my friend ArchAngelCD, who I swear sprinkles HS-6 on his Wheaties.
Quote:
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August 14, 2019, 03:35 PM | #34 |
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I don't recall the primer, but it's not the only mention of ES issues I've seen for 1.875" barrels. I own a few 3" guns and never seen an issue there and always got good groups from them. I've shot a friend's Ruger 2.5" .454 Casull with no problems except the stock front sight blade was too short for the rear sight's adjustment range as if Ruger just expected it to be a point-and-yank gun. But the 1.875" snubbies I've shot have never grouped well for me. I originally put that down to the sight radius just being too short for my eyes. Then the fellow having apparent velocity issues made me wish I had chrono'd the ones I'd shot to be sure nothing else was going on.
I think we went over and eliminated the chronograph error issues with him, but I'd have to relocate the thread to be sure. I just recall I wound up suspecting the exact bullet position at the peak pressure point might not be consistent enough in it for consistent post-peak acceleration and recommended faster powder and tighter crimping. It might mean the short barrel length requires above-average precision throughout the rest of the gun. Things, like matching chamber diameters and timing the chambers to the barrel center, things that you normally do only for a match revolver, might be necessary for consistency with the very short barrels. But it would take some experiments to know.
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August 14, 2019, 07:40 PM | #35 |
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Light, small gripped (especially S&W without larger grips) revolvers are extremely difficult to shoot accurately at any kind of distance with heavy loads. Especially if ya got big hands. I know it is beyond me, but some can.
Just wanted reliable shoot to poa, and about 800 fps. Not real interested in pushing it beyond listed plus p pressures. Light fast 38 special bullets have a significantly lower POI, imo. Heavier crimps and tighter bullet fit can work in some instances for consistent powder burns in the revolvers am using. They can also have a negative effect. The listed charge of hs-6 i used was below starting loads, still had consistent velocity's. Used the V V N-350 load for the accuracy and lower muzzle flash than power pistol. |
August 14, 2019, 07:55 PM | #36 | |
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My defense load is 4.5 grains of American Select with Missouri Bullets 158 grain swaged hollowpoints. But I've been told recently AS has a very bright flash, and I haven't tested that yet by shooting some at dusk, so maybe it's not a great powder choice even tho' the ballistics are good. For practice, I use the same powder and 158 grain wide flatnose bullets that I cast myself.
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August 14, 2019, 08:09 PM | #37 |
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in my 2" model 64 I really like the Remington 158gr. LHP +p.
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August 14, 2019, 08:37 PM | #38 |
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zxcvbob,
Don't know what burn rate chart you're looking at, but the several I have available to me for teaching reloading show Bullseye right where it actually is, well faster than Green Dot and miles away from Unique. Don
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August 14, 2019, 09:01 PM | #39 | |
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I think the high energy pushes BE and PP to the left when they normalize the data for the burn rate charts. And if there are any low energy single based shotgun powders left (Solo?) they probably get pushed to the right. That's why those charts are just mainly useful for powder selection, not for formulating load data. That .357 Magnum load data even exists for BE and the velocities are pretty good means something's not right with the conventional wisdom. You're a reloading expert and I'm not. This is just my opinion as someone trained in engineering, who's looked at numbers from one pretty good source. I could be wrong. (but I don't think so)
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August 16, 2019, 11:14 AM | #40 | ||
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I tried to emulate Speer's factory 135 GD's using BE-86 (see post #13) and was not quite able to reach Speer's velocity with my work up (Let this be a lesson for novice loaders: Note - I was not chasing Speer's velocity. I did my work up independent of my knowledge of Speer's performance. I worked up until good sense told me to stop and my result was my result. And my result was not quite that of Speer's.). Speer did an exceptional job with their 135 GDHP SB ammo. Quote:
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August 29, 2019, 11:13 PM | #41 |
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38 snubby
How about the old 38 super police load? It had a 200 gr long for caliber bullet moving at a fairly low velocity that would tumble on impact. It is said the police in Great Briton were forbidden to use it because it had a devastating effect on soft tissue. Theirs was in a 38 S&W but one was made for the 38 spl too. Penetration was often not as deep but wound channels were said to be gastly.
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September 19, 2019, 04:10 PM | #42 |
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I was also wondering about that 200 grain load.
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snubbie loads |
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