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Tale of a KB load

872 Views 18 Replies 10 Participants Last post by  Whatever68
I loaded a batch of 38 148 gn hbwc for my smith 442, I was using cfe at 3.5 gn and at the range suffered a case separation and a significantly stiffer recoil.
Got home and unstuck the front part of the case and gave the pistol a close inspection chambered a few rounds an everything seemed fine.
Went to the range and test fired a light 125 plated target load and one chamber would not extract.
Ok, gun goes back to the range bag and the work bench. Using some Precision tools and a good micrometer I found one cylinder bulged enough to have stretch marks under 20x magnification.
Show A long story short I sent it back to Smith for a professional eval. I included the letter Stating That I had Done this to the gun With a bad hand load And that It was not, In my opinion A warranty issue. So I asked that evalueate it Call me before they effect Any repairs. It took them a while to get back to me however they did and they said not only was the cylinder toast but the frame was bent as well. They offered toTo fix The pistol under warranty , I told them That I could not in good conscience have them do that.
So adding up the cost of the firearm and the projected repair cost it appeared that I would have more money in it than it was worth to me so I told them to scrap it.

The moral of the story is to be careful hand loading.

I've been loading for 40 years and this was a first, and hopefully the only one of these.

I'm lucky I didn't grenade the pistol.

And I ended up with a Kimber K6S
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Double charged?

Hodgdon's website states 3.5 gr was their recommended starting charge.....Reloading Data Center. Their maximum charge is 3.9gr. Even when I enter your data using CPE Pistol on GRT, the pressure is well below the maximum.
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Did you load those on a Single-stage or progressive press?
I agree...3.5gn is the minimum and should not have been too hot. Maybe there was a problem with the case...? Was it an old case...? Fired once from factory...?

Why do you feel you made a mistake loading...?

Given the load data and what you loaded you should not have felt bad about letting them fix it under warranty...but I understand your sentiment.

Happy you didn't get hurt...!
Did you load those on a Single-stage or progressive press?
It was a single stage, I think I just double charged a round. I use a rcbs little dandy and a lee powder through the die. I only process a batch of 50 at a time.
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I agree...3.5gn is the minimum and should not have been too hot. Maybe there was a problem with the case...? Was it an old case...? Fired once from factory...?

Why do you feel you made a mistake loading...?

Given the load data and what you loaded you should not have felt bad about letting them fix it under warranty...but I understand your sentiment.

Happy you didn't get hurt...!
Pretty sure I tossed a double load on that one.
I got lucky.
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I agree...3.5gn is the minimum and should not have been too hot. Maybe there was a problem with the case...? Was it an old case...? Fired once from factory...?

Why do you feel you made a mistake loading...?

Given the load data and what you loaded you should not have felt bad about letting them fix it under warranty...but I understand your sentiment.

Happy you didn't get hurt...!
The cfe is a real low volume powder so it's likely that I oopsed one load.
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Well sir the most important thing is that you were not hurt.
I also admire you for taking full ownership of the error. You didn't try to blame low volume, positional detonation or some other witchcraft.
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Well sir the most important thing is that you were not hurt.
I also admire you for taking full ownership of the error. You didn't try to blame low volume, positional detonation or some other witchcraft.
Thanks, it also helped me into a Kimber K6S 3" for a new carry piece.
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@Jan Z you are a gentleman for not taking advantage of S&W's offer. Integrity!!

Are you simply loving that K6S trigger or what?!! My carry revolver is the 3" K6S and it's a joy. Same experience for you or?
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Glad you weren’t hurt but if nobody else will say it I will…you need to revamp your reloading practices. First off is select a powder that fits your needs and also fills the case full enough that a double charge is impossible without seeing powder spilling all over the place. Next is to place charged cases in their own tray. Nothing goes there until it is charged period , then a quick visual check before bullet seating.
@Jan Z you are a gentleman for not taking advantage of S&W's offer. Integrity!!

Are you simply loving that K6S trigger or what?!! My carry revolver is the 3" K6S and it's a joy. Same experience for you or?
Yes it is, the only dislike was the pretty wood stock grip, too hard and slippery.
I changed it out to the Kimber rubber grip and love it, great shooter, good trigger and a pleasure to carry.
Quite accurate for a DAO revolver too
First trip to the range...
Input device Trigger Recreation Space Electronic device
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Glad you weren’t hurt but if nobody else will say it I will…you need to revamp your reloading practices. First off is select a powder that fits your needs and also fills the case full enough that a double charge is impossible without seeing powder spilling all over the place. Next is to place charged cases in their own tray. Nothing goes there until it is charged period , then a quick visual check before bullet seating.
SR4756 😉
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Glad you weren’t hurt but if nobody else will say it I will…you need to revamp your reloading practices. First off is select a powder that fits your needs and also fills the case full enough that a double charge is impossible without seeing powder spilling all over the place. Next is to place charged cases in their own tray. Nothing goes there until it is charged period , then a quick visual check before bullet seating.
I appreciate the critique however you pretty much described what I already do, been reloadig about 40 years. Like I said in an earlier post I screwed one up. And I'm being a lot more careful.🤔
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Winky and scratch your chin about my post all you want but I’m not the one that posted on the internet about loading a kaboom…
Glad you’re going to be more careful in the future. :rolleyes:
😁
It happens. Years ago, I was shooting with a couple who were very experienced shooters. His wife was shooting a S&W model 28 with his light .38 reloads. Big bang. He said he must have double charged one. Don't recall what powder or bullet he was using. No harm done, likely due to the strength of the big N-Frame gun.
Sorry to hear this. Glad you're okay. I got in the habit long ago of only using the slowest powders in all my loads. Nearly impossible to over charge a round as case capacity is already pushed.
Many years ago I was shooting reloads in a 1911. Had a stiffer recoil on one, No harm. Kept shooting.... this time blew out the bottom of the mag and cracked the grips. Stopped shooting and gave back the remaining rounds. He checked them and found some with a charge 3X normal. He loaded it one a single stage press. No damage to the gun. Bullseye was the powder.
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