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February 3, 2018
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Only a small cut on my left knuckle.
Load was (supposed to be) 9gr HS-6 Sierra 158 JHP 8360, Rem 5 1/2.
Only other note was that the top strap had been drilled and tapped with a 6-40 thread for a scope mount.
Forensics to follow.
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DWF Supporters
June 11, 2016
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Glad you are OK. WOW!
Dans Club
December 5, 2008
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Talk about big surprises!
Glad you are OK.
October 17, 2017
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Very good to know that you suffered only a minor injury. This is usually the case from what I’ve read about these kinds of failures. Still, count your blessings! Do let us know what you’re able to find out forensically. This photo gives me the ebeegeebies.
DWF Supporters
July 12, 2020
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Glad you weren't injured!
This happened to me last week with an unknown supercharged 10mm.
Split the barrel in half! Glad the remaining rounds in the mag didn't ignite. A small lapse in diligence at the press cost me several $K's, and some dirty underwear. LOL
Dans Club
February 24, 2013
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Wow! Glad you’re both okay!
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Moderators
January 24, 2009
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Holy 'chit! 
For a 15-2 to blow apart that bad, there was definitely something major going on. I assume there is no squib in the barrel, or you would have mentioned it?
Glad both you guys are okay!
DWF Supporters
March 28, 2023
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Wait so the shell blew up in the cylinder and that blew off the top strap? That crazy sounds like something bad done in the reloading process? I never seen a cylinder blown apart like that!
May 6, 2024
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Holy Overload Batman!!! Takes alot more than 9 grains of HS-6 to do that!! I wonder if 18 grains could do that??
Glad no one seriously injured, I wouldn't even want to be next door!!!
Dans Club
December 7, 2020
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Glad you are okay. I always worry about squib in the barrel. I just shot 90 rounds of lead cast, 40+ year old reloads, and there were many that sounded like squibs. Pain to empty the cylinder so many times and run a dowel the barrel.
October 17, 2017
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Stmstan 445 said
Wait so the shell blew up in the cylinder and that blew off the top strap? That crazy sounds like something bad done in the reloading process? I never seen a cylinder blown apart like that!
Just google “blown up revolvers”, there are many photos similar to Wbrco’s shown there. Depending on how bad the over pressure was (regardless of the cause) there are many variations. Sometimes the top strap is bulged up a little, or a lot. Sometimes it’s missing altogether, but in almost all instances the cylinder is blown apart. Weakest link? I think when the cylinder fails it becomes a “grenade” under the top strap.
February 8, 2014
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DAMN!!! So thankful everyone is OK.
Steve S.
August 28, 2009
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Holy Moley - that's one crazy explosion. It blew the cylinder apart and then blasted the top strap off - dang!! Glad to hear you walked away with only a small cut. It really puts the meaning of "wear eye protection" into perspective. Wow.
DWF Supporters
March 28, 2023
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So is this caused by an overloaded Shell? I know nothing about re-loading can this happen with purchased ammo or because when re-loading you use to much powder? Just wondering!
May 6, 2024
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Stmstan 445 said
So is this caused by an overloaded Shell? I know nothing about re-loading can this happen with purchased ammo or because when re-loading you use to much powder? Just wondering!
Basically Yes...too much, or usually Wrong, Powder
Dans Club
February 24, 2013
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Likely a powder with too fast of a burn rate which builds pressure too quickly for the application.
May 6, 2024
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KurtB said
Likely a powder with too fast of a burn rate which builds pressure too quickly for the application.
Unlikely that was simply too fast a Powder...Likely too Much of Too Fast a Powder
Had a Not too swift Friend, believed in 90% fill on powder...did it with Red Dot...in his 44...Now he Aint got a 44!!
God Made Manuals for a Reason!!!
Dans Club
February 24, 2013
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Yea that’s true, probably the combination of too fast and too much!
February 3, 2018
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Update:
Finally had time today. As soon as I went to zero my trusty 5-0-5 scale I knew what happened.
Somehow I had bumped or moved the heavy bar fro 0 to 10. This had to be before I set my Lee Auto Drum, which is odd as I as a habit to always zero the scale when starting.
So the result was 19gr of HS-6, not 9gr. I did confirm by pulling all the rounds an re-measuring.
I do look at the fill in the case and weigh about every 10 rounds, but if the scale is set wrong that doesnt do much.
Last year I finally broke down and bought a chineesium digital scale. So, from now on, a second check will be done prior to starting actual loading.
Allen
October 17, 2017
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So unfortunate, Wbrco. Accidents happen; that’s just part of life. The good news is that you were not seriously injured. Guns can be replaced; eyesight cannot. It’s an experience you won’t likely forget. Best of luck going forward.
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