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Thread: Cool video on why not to have fingers in front of the cylinder

  1. #1
    Boolit Bub Mag357's Avatar
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    Cool video on why not to have fingers in front of the cylinder

    Not Shure if this is the right place to post this but
    A very nice video about why you don't have
    You fingers in front of the cylinder.
    https://youtu.be/Jd_OnMBPWaw

  2. #2
    Boolit Master


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    Never a good idea....

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    Your skin is a somewhat tougher, than a chicken wing in that situation, but not by much...……..trust me.
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  4. #4
    Boolit Master
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    The guy says he is using a S&W M&P R8 .357 revolver for the tests. I am not too familiar with that revolver, but is it just me or it the cylinder to forcing cone gap much wider than on other revolvers? At around 7:45 +/- minute mark you see the cylinder gap & at 9:20 +/- again he holds it sideways to look. ( There may be others but those two segments I found right away.)

    It seems to me that I thought the Cyl. - F. Cone gap was supposed to be around .003 - .008" for many/most revolvers, and this revolvers gap looks like it may be much wider than that.
    Perhaps it is just me & my vision, but it just appeared to be wider than most. If so, it would certainly have some effect on how much blast is coming out of that gap.

    Anyway, it is a decent example of why to not put your digits or hand up around there when shooting a revolver, IMO. I even shared the video with a couple friends & my son for a reminder to not forget to mention it when we give firearms training classes to the young hunters safety classes.

    Thanks for sharing your video find!


    ETA - I went back and looked again at the video again, (10:28+/- start) and it appears that while there is significant gap between the cylinder and the frame, it looks like the forcing cone is a lighter color than the rest of the revolver & what I thought was a pretty large gap is likely that F.Cone being a lighter color & not light thru the background showing a larger gap than normal. Anyway, without knowing more about the handgun & seeing one up close, I would not know for sure right now. I may just go & look at some of the pics from a website to see if I can get a better look...


    Thanks again!


    -------------
    ETA2 - Found a pic, so never mind about the earlier mistaken observations above. It is a lighter colored("steel looking" rather than blued) F. Cone.


    Source:https://www.smith-wesson.com/firearm...er-model-mp-r8
    Last edited by JBinMN; 03-13-2019 at 07:17 AM.
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  5. #5
    In Remembrance bikerbeans's Avatar
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    A good friend mine got the tip of his finger to close to the cylinder gap on a 454 casull. He was wearing gloves and the blast tore the finger tip off the index finger of his glove. Bruised his finger real good.

    BB

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    Boolit Grand Master bedbugbilly's Avatar
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    Some folks have waaaaaay too much spare time on their hands.

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  7. #7
    Boolit Master
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    Hickok45 did a similar demonstration using hotdogs. Both with the hotdog next the cylinder and again with the hotdog out next to the muzzle. One shot is all it took to cut the hotdog cleanly into 2 pieces.

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    Sumthin' you do only once! My 'ouch' came back when I was shooting Revolver Class in IHMSA silhouettes; really gets your attention when you're touch off that DW .41 Mag nestled against your leg (Creedmoor position) without a blast shield. Set fire to my britches, it did!

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  9. #9
    Boolit Master

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    Somewhere on the www is a pic of a guy with the end of his thumb damaged badly from the b/c gap on a s&w x frame, 460 or 500.

    That is if you want to see first hand what happens to human fingers.

  10. #10
    Boolit Master

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    Here is one link. If you click on the pic of the bandaged thumb, it will load the carnage pic of the thumb. Still not the pic/story I was looking for, though.

    http://xavierthoughts.blogspot.com/2...olver.html?m=1

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  12. #12
    Boolit Bub Mag357's Avatar
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    I'm With you it does seem to have a larger gap

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    Boolit Grand Master

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    I never required a video for that....Common Sense was enough.
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  14. #14
    Boolit Master

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    About 1976 a friend accidentally held two fingers out next to the cylinder gap on a Ruger Security 6 with max load of H-110 it did not cut his fingers it did give him a powder tattoo he still has . Oh and it hurt a lot!
    When I think back on all the **** I learned in high school it's a wonder I can think at all ! And then my lack of education hasn't hurt me none I can read the writing on the wall.

  15. #15
    Boolit Master

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    It gets real interesting when to go to the 60k psi cartridges over the 35k psi chamber pressures of the 357 mag

  16. #16
    Boolit Master

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    mythbusters did this too. https://www.dailymotion.com/video/x35tz76

  17. #17
    Boolit Grand Master

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    It's a mistake you'll only make once.
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  18. #18
    Boolit Master
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    That’s why I like my Thompson Contender 14” 44 magnum, but you do have to hold it tight preferably with both hands, it has a kick but no gap.

  19. #19
    Boolit Master


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    Quote Originally Posted by Hossfly View Post
    That’s why I like my Thompson Contender 14” 44 magnum, but you do have to hold it tight preferably with both hands, it has a kick but no gap.
    I was thinking the same thing as I read the thread. That 14” perfectly sealed tube adds substantial velocity too.
    Sometimes life taps you on the shoulder and reminds you it's a one way street. Jim Morris

  20. #20
    Boolit Buddy
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    The interesting thing for me in that video is the BFR in .50AE, someone explain the logic behind that one to me. I know about cylinder gap already.
    I can figure out how it works, sharing the rim diameter and moon clips of .44mag, but WHY??? Is this actually a thing beyond a one off?

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