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Thread: .452 hard cast for 1911s

  1. #1
    The Nostomaniac 03RN's Avatar
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    .452 hard cast for 1911s

    I use .452 255 gr swc for my .45 blackhawk. Typically.45 autos use .451. Could I try a few .452 in my 1911s? It would make ordering easier?

  2. #2
    Site Supporter Hambo's Avatar
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    Quote Originally Posted by 03RN View Post
    I use .452 255 gr swc for my .45 blackhawk. Typically.45 autos use .451. Could I try a few .452 in my 1911s? It would make ordering easier?
    I've been loading .452" cast SWC in 1911s for decades.
    "Gunfighting is a thinking man's game. So we might want to bring thinking back into it."-MDFA

  3. #3
    Hokey / Ancient JAD's Avatar
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    The diameter doesn’t confront me none, but I didn’t love the way that heavy a bullet shot, and I think it’s harder on the gun. I’d stick with H&G68s.
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  4. #4
    451, 452, whatever it takes...

    On a more serious note, when it comes to cast there's some wiggle room available to you ("458" bullets for a 45-70 can go anywhere from .457 to .462). Whether they play nicely with your barrel is another question. FWIW all of my 45 acp cast rounds have been sized to 452 with no issues.

  5. #5
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    Quote Originally Posted by Hambo View Post
    I've been loading .452" cast SWC in 1911s for decades.
    Quote Originally Posted by WeepingAngel View Post
    FWIW all of my 45 acp cast rounds have been sized to 452 with no issues.
    Ditto. .452 works in all my .45 ACP guns - Colt Gubmint Model with a GI NM barrel, Commander with a BarSto barrel, mid- and full-size M&P 45s with factory barrels, and a S&W M22-4. It's been the go-to size for .45 ACP cast bullets since I started reloading in the 80s.

  6. #6
    If you are getting leading with .451, using .452 may help.
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  7. #7
    For a 45 ACP, .451 is the norm for jacketed bullets. Lead are usually .452, so you should be good to go.

  8. #8
    Site Supporter farscott's Avatar
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    The diameter is not an issue with lead bullets, but the extra weight of the 255-grain bullet is almost 11% more than the standard 230-grain. As such, I would reduce velocity some. Ballistics duplicating the .455 Webley (255-grain at 650 to 700 fps) would result in a very pleasant round to shoot that should cycle the slide just fine without excessive stress. I would target 700 fps as velocity has to drop by 11% to have the same momentum as a 230-grain load at 800 fps. It should also make for an economical load with powders like Bullseye, W231, or Titegroup.

  9. #9
    The Nostomaniac 03RN's Avatar
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    Thanks guys

    I just got an order in for my .45 colt so I can load a few and test before my next order

  10. #10
    The Nostomaniac 03RN's Avatar
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    Loaded some up.
    Starting at 5gr of unique up to 6.
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