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Thread: Miroku 1886 Bullet mold

  1. #1
    Boolit Buddy
    Join Date
    Aug 2016
    Location
    IOWA
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    259

    Miroku 1886 Bullet mold

    Good morning,

    I am looking for a new bullet mold for my Miroku 1886 in 45-70 in the 405 gr. range, so I got out my Shooting lever Guns of the old west and Mike used a RCBS 45-405 in his with good luck. But now I see they only list it in a gas check, so I was wondering if anyone had any luck with the Lyman 457193 and the chamber of the Miroku?

    Thanks Scott

  2. #2
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    Chill Wills's Avatar
    Join Date
    Oct 2011
    Location
    Was-Colorado, Wyoming now
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    3,149
    The Lyman 457-193 is a winner. Many people use it and it is a very old "back in the day" Marlin design.
    Chill Wills

  3. #3
    Boolit Buddy
    Join Date
    Dec 2017
    Posts
    109
    Hi Scott, a lighter RCBS mould is the 325-FN-U which is plain based and drops around 340 grains and the oglive suits the tight throats of the Miroku just in case you may be interested its also a double cavity

    Cheers

  4. #4
    Boolit Buddy
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    Aug 2016
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    Quote Originally Posted by Chill Wills View Post
    The Lyman 457-193 is a winner. Many people use it and it is a very old "back in the day" Marlin design.
    I just read your post from July, I think I will getting that mold. Have you ever tried the lyman 457-643?

  5. #5
    Boolit Master
    Join Date
    Apr 2008
    Location
    Monticello, KY
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    I have a lyman 405 and 350 HP, and a Lee 405, and 340. All shoot great in my 9 45/70's.

  6. #6
    Boolit Master
    Join Date
    May 2017
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    3,702
    Quote Originally Posted by koger View Post
    I have a lyman 405 and 350 HP, and a Lee 405, and 340. All shoot great in my 9 45/70's.
    I have the LEE 405 HB which I have altered some and shoots great in my Chiappa 86 (45/70) and my Uberti 76 (45/75) .... I milled the meplat bigger so it covered the primer pocket and took the tit off the base plug = so now a flat base, flat nose, 405 grain with nice big lube grooves for Blackpowder.

    Also have the LEE 340 grain mold - its a decent boolit but lube grooves too stingy for blackpowder - had intended to work up a smokeless load for both rifles but getting plenty of thump and no problems with black so have stayed with it - I use a duplex load in the 86, 5 grains of 4227 under the FFFg black for a bit more bark and cleaner barrel --both guns will go inside 2inches at 100yards with a peep sight if I can do my end of it (dont always get that part right)

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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