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Thread: How fast question for 1:20

  1. #1
    Boolit Master
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    How fast question for 1:20

    How fast can you push 1:20 with a gas check?

  2. #2
    Boolit Grand Master


    Larry Gibson's Avatar
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    For a revolver I've found accuracy holds to 1200 - 1300 fps. I use a 16-1 alloy for 1300 to 1450 fps.

    In rifles I've had excellent accuracy up through 1700 fps with the 45-70, 1600 fps with the 44 magnum and using a felt wad under a maxi-ball in my 50 cal ML.

    Note; velocities are +/- because of the variables.
    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  3. #3
    Boolit Master hc18flyer's Avatar
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    Can I go 1100 fps in my Ruger .45 Colt with a pb boolet of 20/1 air cooled? Thinking just a few for sight in and deer hunting. Thanks, Tom

  4. #4
    Boolit Grand Master


    Larry Gibson's Avatar
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    Quote Originally Posted by hc18flyer View Post
    Can I go 1100 fps in my Ruger .45 Colt with a pb boolet of 20/1 air cooled? Thinking just a few for sight in and deer hunting. Thanks, Tom
    Should be able to.
    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  5. #5
    Boolit Grand Master OS OK's Avatar
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    https://www.youtube.com/channel/UC-M...IIY-b0w/videos

    Take a look at the work James is doing on his channel 'Loads of Bacon'...he's noting Pb blends, speed and performance as he publishes his tests.
    a m e r i c a n p r a v d a

    Be a Patriot . . . expose their lies!

    “In a time of deceit, telling the truth is a revolutionary act.” G. Orwell

  6. #6
    Boolit Master
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    I was under the impression that true 20:1 can't be hardened?

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check