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Thread: 10MM Loads

  1. #1
    Boolit Bub Txcowboy52's Avatar
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    10MM Loads

    Does anyone have a good accurate 10MM load they would like to share? I'm looking for a nice shooting accurate load, not a sledge hammer , will be shooting an S&W 610 revolver. I have a broad array of powders , was looking at a bullet weights of 180 to 200 grains. Any help would be greatly appreciated !!

  2. #2
    Boolit Master BigAlofPa.'s Avatar
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    I like 5.5 grains of sport pistol for target loads behind a 180 grain. Boolit.
    One round at a time.
    Member of Valley Gun & Country Club. Elysburg Pa.

  3. #3
    Boolit Master
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    I have a Ruger GP-100 and am running:

    180 cast round nose
    6.0 grains of Unique

    Have not clocked it yet but very accurate....

    Bob

  4. #4
    Boolit Bub Txcowboy52's Avatar
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    Thank you, gives me a great place to start !

  5. #5
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    10gr Blue Dot with 180gr TC. Works in all my 10mm. This chronographs around 1200fps in a 5” barrel.

  6. #6
    Boolit Buddy sparkyv's Avatar
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    +1 on the BlueDot. My SR1911 likes the 11.0gr load with 180gr RNFPs. Accurate, stout, but not sledgehammer hot. 9.5gr BD for 200 grainers, both XTPs and WFNGC hardcast. I go with Longshot if I want HOT loads with plenty of velocity.

  7. #7
    Boolit Grand Master Outpost75's Avatar
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    I am shooting a custom Ruger revolver in 10x25mm Rimmed, necked down Starline .44 Russian brass, capacity a bit more than the 10mm Auto. I load Accurate 40-252H with 16 grains of IMR4227 compressed. Velocity 1080 fps. in 5" revolver barrel, 1330 fps in 22" carbine.

    Attachment 243398Attachment 243399Attachment 243400Attachment 243401Attachment 243402

    In 10mm Auto case shooting in the Ruger you cannot get enough 4227 into the case to get into trouble with a 250-grain bullet seated out to fit the cylinder.
    And with a revolver you aren't limited to little, lightweight "toy" boolits.
    Last edited by Outpost75; 06-11-2019 at 10:23 PM.
    The ENEMY is listening.
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  8. #8
    Boolit Grand Master
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    I shot 180 or 185 gr jacketed hollow points with a max charge of 2400. Deadly accurate in my Glock.

  9. #9
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    Outpost, You have some of the coolest stuff. Color me green.

  10. #10
    Boolit Master



    cwlongshot's Avatar
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    Yes I agree!!!

    I just picked up some 220g HP bulelts to try. From GT bullets. I know that theya re soft but at this weight I dont expect more then 1200 fps and at that velocity there “hardness” should preform well enough.

    BUT finding starting data is not east as even tho its only a lil heavy most stop at 200 g

    CW
    NRA Life member REMEMBER, FREEDOM IS NOT FREE its being paid for in BLOOD.

  11. #11
    Boolit Bub
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    5.6 grains Unique behind a Lyman 175 TC generates about 950 fps out of my Delta Elite. Shoots a 2-1/2" group at 25 yds for me.

    7.5 gains AA#5 shoots slightly better but I don't have any velocity data for that load.

  12. #12
    Boolit Master
    Elkins45's Avatar
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    Quote Originally Posted by Outpost75 View Post
    I am shooting a custom Ruger revolver in 10x25mm Rimmed, necked down Starline .44 Russian brass, capacity a bit more than the 10mm Auto. I load Accurate 40-252H with 16 grains of IMR4227 compressed. Velocity 1080 fps. in 5" revolver barrel, 1330 fps in 22" carbine.

    Attachment 243402

    In 10mm Auto case shooting in the Ruger you cannot get enough 4227 into the case to get into trouble with a 250-grain bullet seated out to fit the cylinder.
    And with a revolver you aren't limited to little, lightweight "toy" boolits.
    Holy cow, that big revolver looks like a 22 in that photo. You must have hands like a giant! No wonder you had it chambered in a cartridge with extra recoil.
    NRA Endowment Member

    Armed people don't march into gas chambers.

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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