Does Steel Case Ammo Matter in Revolvers?
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Thread: Does Steel Case Ammo Matter in Revolvers?

  1. #1
    Distinguished Member High Seas Drifter's Avatar
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    Question Does Steel Case Ammo Matter in Revolvers?

    Specifically, will it hurt to shoot Tula .357 Mag through a M&P 340?
    • "If someone has a gun and is trying to kill you, it would be reasonable to shoot back with your own gun." -The Dalai Lama

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    Senior Member Skeptic 9094's Avatar
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    You will instantly find out about the quality of the polish in your chambers.
    Geoff
    Who advises you to take along a dowel rod of about .300 Inches.
    NRA Life Member

  3. #3
    Distinguished Member AFJuvat's Avatar
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    You should be fine. Do keep a dowel just in case a case or two gets stuck.
    To speak without thinking is to shoot without aiming.

    “There are no dangerous weapons; there are only dangerous men.”

    https://www.thethreepercenters.org/

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    Distinguished Member deadeyedick's Avatar
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    Quote Originally Posted by Skeptic 9094 View Post
    You will instantly find out about the quality of the polish in your chambers.
    Geoff
    Who advises you to take along a dowel rod of about .300 Inches.
    ^^^This.
    "It's Fumbles...it was always Fumbles."

    Dr. Calvin "Fumbles" Killshot

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    Distinguished Member brownie's Avatar
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    As has been alluded to, the chambers may be tight enough to find a fired case or two sticks in the chamber/s. What I don't like about the idea of steel case on steel cylinder is possibly scoring the cylinder chambers. Not something I'd chance in my own revos.

    Aluminum cases? Brass cases? They are softer than the steel used in the cylinder so chance of scoring the inside of the cylinder chambers is nill.
    The mind is the limiting factor

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  7. #6
    Distinguished Member AFJuvat's Avatar
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    Quote Originally Posted by brownie View Post
    As has been alluded to, the chambers may be tight enough to find a fired case or two sticks in the chamber/s. What I don't like about the idea of steel case on steel cylinder is possibly scoring the cylinder chambers. Not something I'd chance in my own revos.

    Aluminum cases? Brass cases? They are softer than the steel used in the cylinder so chance of scoring the inside of the cylinder chambers is nill.
    The steel alloy used for the cases is pretty soft. Much softer than the heat treated steels used in modern firearms. It has to be to obdurate and make a gas seal.

    So while I agree that scoring the chamber is statistically more likely using steel cased ammo, the probability is still pretty low, perhaps slightly greater probability than having a brass or aluminum case fail.

    Would I shoot it in a collector piece like a Colt Python? No.

    But in a regular run of the mill revolver? Sure.

    That said, I would not fire steel cased ammo in anything if the lacquer or polymer finish had been removed from case. The coating acts as a lubricant, and prevents galling. This coating can cook off and degrade in a hot chamber., so I would not allow the cylinder to get too hot either.
    To speak without thinking is to shoot without aiming.

    “There are no dangerous weapons; there are only dangerous men.”

    https://www.thethreepercenters.org/

  8. #7
    Distinguished Member brownie's Avatar
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    Quote Originally Posted by AFJuvat View Post
    The steel alloy used for the cases is pretty soft. Much softer than the heat treated steels used in modern firearms. It has to be to obdurate and make a gas seal.

    So while I agree that scoring the chamber is statistically more likely using steel cased ammo, the probability is still pretty low, perhaps slightly greater probability than having a brass or aluminum case fail.

    Would I shoot it in a collector piece like a Colt Python? No.

    But in a regular run of the mill revolver? Sure.

    That said, I would not fire steel cased ammo in anything if the lacquer or polymer finish had been removed from case. The coating acts as a lubricant, and prevents galling. This coating can cook off and degrade in a hot chamber., so I would not allow the cylinder to get too hot either.
    The scoring would be more of a concern upon extracting the expanded cases after firing. Especially with tight chamber/s. Steel on steel will accelerate wear, how much over time would be anyone's guess.

    ETA, if you wouldn't shoot it in a Python, there must be some apprehension over the steel on steel yes?
    Last edited by brownie; 11-05-2019 at 11:26 AM.
    The mind is the limiting factor

    https://www.youtube.com/user/azqkr

    The lion does not even bother to turn his head when he hears the small dog barking..

    Stay Sharp

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  9. #8
    Distinguished Member High Seas Drifter's Avatar
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    Doesn't sound like the cost savings is worth it.

    Thanks for the info, guys!

    -on Tapatalk
    • "If someone has a gun and is trying to kill you, it would be reasonable to shoot back with your own gun." -The Dalai Lama

  10. #9
    Distinguished Member brownie's Avatar
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    Quote Originally Posted by High Seas Drifter View Post
    Doesn't sound like the cost savings is worth it.

    Thanks for the info, guys!

    -on Tapatalk
    Buy the blazer aluminum cases for practice and never look back.
    The mind is the limiting factor

    https://www.youtube.com/user/azqkr

    The lion does not even bother to turn his head when he hears the small dog barking..

    Stay Sharp

    Brownie

  11. #10
    Distinguished Member High Seas Drifter's Avatar
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    Thanks for the tip!

    -on Tapatalk
    • "If someone has a gun and is trying to kill you, it would be reasonable to shoot back with your own gun." -The Dalai Lama

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