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  • JM7.7x58's Avatar
    06-19-2020, 11:54 PM
    Nice shooting Rich! I’m going to be trying out a load of 13 grains of Herco under a NOE 325365 216gr (sized to .318”) in my Type 99 Arisaka on Father’s Day. This rifle has a horrible trigger (Nagoya Arsenal, 7th series, late war production) and...
    9 replies | 557 view(s)
  • JM7.7x58's Avatar
    06-17-2020, 08:47 AM
    A Lee 312-155 six cavity mold and a pound of powder coat powder will get you a long way with your .312 barrel. The pc will add a few thousandths. Size to .314 with a Lee push through sizer. Or enlarge a smaller sizer to .313. As long as they...
    8 replies | 433 view(s)
  • JM7.7x58's Avatar
    06-17-2020, 12:57 AM
    This is low pressure 45acp we are talking about. I ain’t gonna buy top dollar Rotometal “Lab certified” pure to mix with my pewter to make pristine 20:1. This sail boat keel lead pencil scratch tests around 7bhn. That is close enough to pure...
    33 replies | 1648 view(s)
  • JM7.7x58's Avatar
    06-16-2020, 07:08 PM
    I’m sure that you can find someone who will trade you two for one, 2 range scrap or 2 pure for 1 Lino. You can then mix up something more appropriate for your 45acp. Three parts scrap to one part Lino would be better in a 45acp. I run 20:1...
    33 replies | 1648 view(s)
  • JM7.7x58's Avatar
    06-06-2020, 03:50 PM
    In answer to your first question, I myself have a Lyman 358477 that I am very happy with. Here is a great article about these types of bullets. http://www.lasc.us/Fryxell358477HP.htm JM
    5 replies | 317 view(s)
  • JM7.7x58's Avatar
    06-06-2020, 03:43 PM
    I would feel fine using 358311 data for standard 158gr loads. As long as the bullet weight and over all length (OAL) are close I’m fine with using similar data in low pressure 38 special loads. Also, I believe that all 686 revolvers are rated for...
    5 replies | 317 view(s)
  • JM7.7x58's Avatar
    06-05-2020, 08:51 PM
    For full length resizing rifle brass or forming 7.7x58mm from LC 30-06 military brass, I use an old bottle of Sears air tool oil. It is a red colored oil that reminds me of Marvel Mystery Oil or ATF. I started using it because that was what was near...
    40 replies | 3103 view(s)
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About JM7.7x58

Basic Information

About JM7.7x58
Biography:
Long time listener, first time caller. I've been reading this forum for years. Very grateful for all the information I have gathered here over the years.
I was given an old Type 99 Arisaka over a decade ago by a family member. It had been disasembled back in the 70's and was missing half of it's screws. I got it put back together and am now getting ready to cast boolits for it and for 38 special/.357 mag.
Location:
Washington
Interests:
Wood work, metal work, fishing, crabbing, freediving, surfing, boating, tool collecting
Occupation:
Welding Instructor

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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