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Thread: 38 Caliber Boolit Length

  1. #1
    Boolit Buddy
    Join Date
    Apr 2020
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    101

    38 Caliber Boolit Length

    I am thinking about building a 38-55 to shoot paper wrapped bullets with around a 260 grain bullet.
    I'll be using it for hunting and plinking up to 200 yards.
    Does anyone have a suitable boolit they can measure the length, I am wanting to get a barrel rolling but need to figure the twist rate.

  2. #2
    Boolit Grand Master

    Join Date
    Mar 2013
    Location
    Northwest Ohio
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    13,389
    I believe both Noe and Accurate moulds give dimensioned drawings on their web sites. It might be best to look up the design you want and see what it is length wise.

  3. #3
    Boolit Grand Master Nobade's Avatar
    Join Date
    May 2005
    Location
    SE WV
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    5,555
    I shoot this one in my 38-55 H&R.
    http://accuratemolds.com/bullet_deta...bullet=36-275P
    Says it's 1.160" long. The rifle has a 1:18 twist and it performs very well.

  4. #4
    Boolit Buddy
    Join Date
    Jan 2015
    Location
    Indy
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    369
    I use a custom RCBS mold that drops at 335 gr that is 1.280" long. It is designed for my rifle chamber and is good to about 600 yards but has hit targets at 1000 yards but not consistent. Twest is either 12 or 14, I can't get a constant count.

  5. #5
    Boolit Buddy
    Join Date
    Sep 2006
    Posts
    487
    I strongly suggest you get a 12 twist barrel, for maximum versatility.
    Green Mountain carries barrels in 12 twist. good barrels.
    You can then shoot bullets up to about 1.4" long/ 345 grain such as the Buffalo Arms Jim 371345E DDEPP ( dual diameter elliptical paper patch). And the barrel will also shoot well with shorter bullets in the 260 grain range. As well as grease groove if you want.
    beltfed/arnie

  6. #6
    Boolit Grand Master
    Join Date
    Aug 2005
    Location
    South Jersey
    Posts
    6,312
    You might want to to measure th rifle bore twist rate which will probably measure 1:18 …
    And forget about chasing any of the 38-55 bullets because they will calculate for a 1:18 bore
    Regards
    John

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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