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    dougstump

    Well-Known Member
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    0   0   0
    Nov 22, 2010
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    Advertising ploy, the technical term is "puffery". What sounds bigger, 36 or 38? "43 Magnum" just doesn't have the same ring as "44". What's the buller diameter of the 460 Rowland or 460 S&W? .45! It's just to make your product stand out in the market. Like when a car maker claims "Best in class" and it's the only one.

    Decades ago my sister used to ride Western Pleasure. Every show she'd either get first or second place. Then I found out there were only two girls in that "class" and half of the time the other girl didn't show up.
     
    GIJeaux

    GIJeaux

    Army Retired
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    Jan 19, 2010
    489
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    Leesville/Ft Polk, La.
    It goes back to the heel type bullets that were basically the same diameter as the case. Like .22 rimfire are still today. The .36 cap and ball conversions used a .375 diameter heel base cartridge which Colt carried over into their revolvers. Like my .38 Colt. The .38 Short Colt used a heel type bullet of .375 diameter and the .38 Long Colt used a Hollow Base bullet up to .360 diameter. It was expected to obturate to fill into the rifling for accuracy. Later, they simply reduced the bore diameter to .357 and discontinued heel base bullets.
    Ultimately, .38 is simply derived from rounding up .375 to .38.

    Al
     
    B

    Blue Diamond

    sportsman
    Premium Member
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    10   0   0
    Apr 12, 2014
    944
    16
    Metairie, La.
    GIJeaux said:
    It goes back to the heel type bullets that were basically the same diameter as the case. Like .22 rimfire are still today. The .36 cap and ball conversions used a .375 diameter heel base cartridge which Colt carried over into their revolvers. Like my .38 Colt. The .38 Short Colt used a heel type bullet of .375 diameter and the .38 Long Colt used a Hollow Base bullet up to .360 diameter. It was expected to obturate to fill into the rifling for accuracy. Later, they simply reduced the bore diameter to .357 and discontinued heel base bullets.
    Ultimately, .38 is simply derived from rounding up .375 to .38.

    Al
    Click to expand...

    Thank you Sir. You are a gentleman and a scholar.
     
    DBMJR1

    DBMJR1

    Madame Mayor's Fiefdom
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    23   0   0
    Jul 27, 2008
    2,328
    113
    New Orleans, La.
    If'n you want to really get confuzed, take a look at .32 caliber. I load both .311, and .314 bullets, in two different .32 caliber cartridges.
     
    gwpercle

    gwpercle

    Well-Known Member
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    Feb 20, 2013
    456
    28
    Baton Rouge, LA.
    If you really want to learn about the subject pick up a copy of " Cartridges Of The World" lots of info and history...you wouldn't believe how many different 38's have come and gone and several were the same cartridge with a different name.
    With that book handy you can become an overnight expert on the subject of cartridges, names , interchangability and history !

    I bought one when I picked up a bunch of cases at the range marked "38 AMU " , this was pre computer days and I couldn't figure out what they were ...the book had the answer.
    Gary
     
    Last edited:
    D

    dougstump

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    Nov 22, 2010
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    gwpercle said:
    I picked up a bunch of cases at the range marked "38 AMU " , this was pre computer days and I couldn't figure out what they were ...the book had the answer.
    Gary
    Click to expand...

    One time I picked up a good double handful of 38 AMU brass. Had them for over a decade until I ran into a guy that had one of the pistols, he gladly traded me an original live round for the brass. He would have paid a lot more, but he needed them and I didn't.
     
    D

    dougstump

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    Nov 22, 2010
    702
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    I just went through the index of "Ammo Encyclopedia" and counted 27 different cartridges with a .357 +/- bullet diameter, both rifle and pistol. This doesn't cover muzzle loaders, paper cartridges, lip fire, Thuer, Cofer, Crispin. Oh my head!
     
    gwpercle

    gwpercle

    Well-Known Member
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    Feb 20, 2013
    456
    28
    Baton Rouge, LA.
    dougstump said:
    One time I picked up a good double handful of 38 AMU brass. Had them for over a decade until I ran into a guy that had one of the pistols, he gladly traded me an original live round for the brass. He would have paid a lot more, but he needed them and I didn't.
    Click to expand...

    Neat story...the stuff we hang on to is amazing and you never know when it's going to come in handy.

    Did the fellow let you shoot the AMU ? Awesome shooting target pistol , the fellow at our range let me shoot his a few times....Sweet ! He was in the Army Reserve and shot on the team...he would come and shoot with us at our weekly Bullseye matches just for practice . Wish I had one of those pistols.
    Gary
     
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