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Thread: Round ball load in 8mm.

  1. #1
    Boolit Buddy Cheshire Dave's Avatar
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    Round ball load in 8mm.

    I'm waiting on a mold I ordered from Accurate Molds and just had to shoot something out of the new to me gun I got. It's a 1933 JP Sauer Drilling with a 8x57 JR rifle barrel. I slugged the barrel and took a chamber cast to order my mold and found out the groove diameter is .319. I don't have any molds closer to that then .315 for my .32 revolver. I did have 50 or so .318 buckshot salvaged from some old buckshot loads that got wet. I lubed with liquid lube last night and loaded some today with 3 grains of 700X. This load worked well for my 9.3x74 using .375 RBs so I figured it was a good place to start. The results are below. When I went to 4 grains 700X they started to throw fliers. Opened up to over 4" at the same 50 foot distance. The Drilling has a set trigger and I know it surprised me a few times. I only have 20 cases so far and they went fast.
    I think round ball loads are a great way to start someone out with a big rifle. I was shooting some heavy cast loads with the 280 grain NOE 9.3 boolit in my 9.3x74 and slipped a round ball in while a buddy wasn't looking and handed him the rifle. Should have seen his face when the gun just kinda went pop. That same 3 gr load of 700x hits right to the same point as the heavy cast loads. I've also had fun with round balls in the 45-70.
    So if you get bored or have a kid that wants to shoot your big boomer try out some round ball loads.....
    Attached Thumbnails Attached Thumbnails DSCN0698.JPG   EBE9A9B8-1CC9-47A8-B160-A53B45B3C8D2.jpg  

  2. #2
    Boolit Master


    nagantguy's Avatar
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    Nice looking drilling, and that was a good place to start thank you for the write up, we've spent many fun afternoon shooting rb's out of a 35 Remington. Low noise and almost no recoil and surprisingly accurate at 50-70'feet.

  3. #3
    Boolit Buddy Cheshire Dave's Avatar
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    Thanks I'm glad you liked it. Can't wait to get my new mold from Accurate molds.

    Sent from my SM-J320V using Tapatalk

  4. #4
    Boolit Master
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    I am a sucker for nice drillings and that one definitely qualifies!!!! Excellent rifle cartridge as well. I've used RB's in other rifles but never thought to try one in any of my drillings. Might have to give that some consideration. Good write up!!!
    "In general, the art of government is to take as much money as possible from one class of citizens and give it to another class of citizens" Voltaire'

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  5. #5
    Boolit Buddy Cheshire Dave's Avatar
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    I lapped a little ding out on the muzzle and these groups give me hope that I did it right.

    Sent from my SM-J320V using Tapatalk

  6. #6
    Boolit Buddy mpkunz's Avatar
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    FWIW - http://www3.telus.net/gamegetter/ I have his 8mm unit. It was such a cool idea I made a couple for 7.62x54R. I have a Lee 90 grain mould for 30 cal https://leeprecision.com/mold-dc-tl314-90-swc.html . These are so cool. I shoot them suppressed from a junker Mosin and they have enough snot to rip through the sheet metal in my mailbox (wife not pleased at ALL).

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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