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Thread: Unique load data for a 6.5 Jap

  1. #1
    Boolit Mold
    Join Date
    Sep 2016

    Unique load data for a 6.5 Jap

    First if I may ask why he Lyman cast book lists Unique for other 6.5 but not the Jap? Is there anyone here that does use it and if so what data do you have.

  2. #2
    Boolit Buddy JMax's Avatar
    Join Date
    Sep 2007
    Try 8.8 gr, that is what I use in my Norwegian Krag in 6.5x55 Swede. I used to use 7.8 gr but like the slightly larger powder charge in my rifle. Most Lyman data for 6.5s pushes the velocity to high exceeding the RPM limit.

  3. #3
    Boolit Master

    TCLouis's Avatar
    Join Date
    Mar 2005
    Middle TN
    Lee lists the case volume for 6.5X55 at 3.68 cc and the 6.5X50 at 2.66 cc's.
    One may want to back off of the larger cases load commensurate with the reduced case volume.
    6.6X50 volume is 0.72 times that of the 6.5X55.
    6.5X50 volume is 0.87 times that of 5.5X52 Italian and there are also Unique loads there
    Last edited by TCLouis; 06-20-2019 at 02:36 PM.
    Nothing is impossible for the person that does not have to do it.

  4. #4
    Boolit Mold
    Join Date
    Sep 2016
    thanks for the information

  5. #5
    Boolit Man
    Join Date
    Feb 2014
    Saskatchewan, Canada
    Like most of you, Unique is a pretty universal powder for cast shooting but I would agree that Lyman didn't have much for the 6.5 x 50. I saw that only the Ideal #38 (1951) listed a 100 grain load with Unique for the 6.5 Japanese

  6. #6
    Boolit Master Drm50's Avatar
    Join Date
    Jun 2016
    SE Ohio
    I've loaded a lot of 6.5 & 7.7 Jap but never with cast. Never new anyone into shooting the japs other than for grins. Used cheapest jackets I could buy and loaded to military specs with 140gr and IMR-4895. The only brass I had for 6.5 jap was Norma. There was a time when a box of Norma was more than the value of a jap rifle. Vets that brought them home would get around to buying a box sooner or later. That's where all mine came from.

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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