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Thread: Uberti/USFA single action 45's top end?

  1. #21
    Boolit Man
    Join Date
    Jan 2017
    Posts
    76
    Points all taken.. Larry & Outpost alike.

    I hadn't considered the old balloon head brass likely playing its part in that old '58 cast manual that says 7.5grains unique. That point makes good sense now that you mention it. I believe I will make a "consideration" note inside that manual of mine for future... wherever & for whoever ends up with it after me down the road.

    I'll work to 6.5 once I get going on this myself, see what the chrony says and keep that number in mind for tops far as the auto-rim load will go.

    And to Outpost specifically.. those rockwell numbers are interesting to note too. I have had a few measured of my own, Colt single actions, and they've run anything from 14 to 28 themselves ... the raw steel below case their hardening. Hardened, I had a privately operating metal-guy claim his own three-time sophisticated set of heat treat brought one particular frame to 38, but I don't know whether that was surface measured after casing, or if it was an alteration to the actual metal composition and he meant the steel for a considerable depth below. He was an unusual kind of genius, the kind that are so smart they're hard to talk to.. if you know what I mean. Odd duck to say the least. I didn't want to throw the lot of what he said out the opposite ear after he told me, because Dick Casull is said to have done similar in the 50's. So who knows. Makes for good conversation. These rockwell numbers and steel datas aren't widely discussed, so some guys following this thread may find that all of value too.

  2. #22
    Boolit Master

    ddixie884's Avatar
    Join Date
    Jul 2005
    Location
    Avery, Texas
    Posts
    878
    Quote Originally Posted by ranchman View Post
    Points all taken.. Larry & Outpost alike.

    I hadn't considered the old balloon head brass likely playing its part in that old '58 cast manual that says 7.5grains unique. That point makes good sense now that you mention it. I believe I will make a "consideration" note inside that manual of mine for future... wherever & for whoever ends up with it after me down the road.

    I'll work to 6.5 once I get going on this myself, see what the chrony says and keep that number in mind for tops far as the auto-rim load will go.

    And to Outpost specifically.. those rockwell numbers are interesting to note too. I have had a few measured of my own, Colt single actions, and they've run anything from 14 to 28 themselves ... the raw steel below case their hardening. Hardened, I had a privately operating metal-guy claim his own three-time sophisticated set of heat treat brought one particular frame to 38, but I don't know whether that was surface measured after casing, or if it was an alteration to the actual metal composition and he meant the steel for a considerable depth below. He was an unusual kind of genius, the kind that are so smart they're hard to talk to.. if you know what I mean. Odd duck to say the least. I didn't want to throw the lot of what he said out the opposite ear after he told me, because Dick Casull is said to have done similar in the 50's. So who knows. Makes for good conversation. These rockwell numbers and steel datas aren't widely discussed, so some guys following this thread may find that all of value too.
    True that.............
    JMHO-YMMV
    dd884
    gary@2texastrucks.com
    Gary D. Peek

  3. #23
    Boolit Grand Master
    9.3X62AL's Avatar
    Join Date
    Mar 2005
    Location
    Redlands, NorKifornia
    Posts
    11,505
    My 45 Colts are Rugers, and my sweet spot with those is 1000-1025 FPS from the 7.5" barrel of the BisHawk. This happens with either 10.0 grains of Unique or 11.0 grains of Herco. DO NOT USE THESE LOADS IN COLT SAA, NEW SERVICE, S&W 25-SERIES, OR COLT SAA REPROS. These are not full-snort Ruger-level loads, but are plenty for hunting most game that doesn't bite or claw you to pieces. Lyman #454424 is my usual bullet here, and #454190 gets a play from time to time. The 4-5/8" barrel loses about 100 FPS with these loads.

    45 ACP or Auto Rim gets any one of several Usual Suspect powders. 185 grain bullets see 1000 FPS; 200 grainers get 900-925 FPS; 230 grain bullets get 850-875 FPS, which is what my old shop's carry loads achieve in 4.4" barrels (SIG P-220). In my Gold Cup (5") barrel, these loads (WWB 230 JHP) get about 895-905 FPS. They are not listed as +P in the literature.
    I don't paint bullets. I like Black Rifle Coffee. Sacred cows are always fair game. California is to the United States what Syria is to Russia and North Korea is to China/South Korea/Japan--a Hermit Kingdom detached from the real world and led by delusional maniacs, an economic and social basket case sustained by "foreign" aid so as to not lose military bases.

  4. #24
    Boolit Master


    Tar Heel's Avatar
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    Sep 2010
    Location
    Raleigh NC
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    972
    Thickness does not necessarily equate to strength.

  5. #25
    Boolit Buddy
    Join Date
    Aug 2008
    Location
    Cedar Park, TX
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    301
    Quote Originally Posted by Tar Heel View Post
    Thickness does not necessarily equate to strength.
    Think of any of the cows on The View.

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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