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  • JM7.7x58's Avatar
    Today, 06:55 PM
    All the spacers I have bought were very hard. They break instead of bending completely over. Here is a link to someone who did some analysis of spacer alloy content. They are pretty much the same as Linotype....
    12 replies | 184 view(s)
  • 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 | 570 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 | 449 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 | 1669 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 | 1669 view(s)
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About JM7.7x58

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About JM7.7x58
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.
Wood work, metal work, fishing, crabbing, freediving, surfing, boating, tool collecting
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