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Thread: Primer Test in 44 Magnum

  1. #1
    Boolit Master
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    Primer Test in 44 Magnum

    First let me say this to clear up any misunderstanding. I am just stating what the results were that I obtained in doing some chrono work this morning 10-12-2018.
    I am just stating the primer and the velocity I obtained with these primers.

    The load was 44 Magnum with 19.5 gr A2400, H&G 503 bullets with the wider front band, cast from #2 alloy that was tested to be 5-5-90 alloy, Starline cases with a firm crimp with a Lee FC die.
    Test firearm was a 44 Magnum T/C Encore with a 6 19/32 inch barrel.
    I am not including lot numbers because you having the same lot would be rare and due to variations in different lots it still would be silly to post lot numbers but if someone wants them let me know. I have them.

    Federal 150 with XXXXXXX lot
    1351 fps.
    Vel. SD 20.80

    Federal 150 with YYYYYYYY lot
    1345 FPS
    Vel. SD 16.24

    CCI 300 with ZZZZZZZ lot
    1316 FPS
    Vel SD 21.86

    Remington 2 1/2 with WWWWWWW lot
    1357 FPS
    Vel SD 30.19

    Winchester Large Pistol with UUUUUUU lot
    1356 FPS
    Vel. SD 9.16 FPS

    Winchester Large Primer with TTTTTTT lot
    1376 FPS
    Vel. SD 29.49 FPS

    Now take this with what its worth since it didn't cost anything. The extreme spread between the slowest to fastest was 60 FPS. Nothing to get excited about.

    And so it goes in the life of a non ballistician. I did not conduct this test in a lab with extreme controls in place or a wizard sitting beside me.

    Again I mean no hurt, harm, or anguish to any of the fine people on this forum. I am just making a statement based on my knowledge, information and/or belief.
    I am not trolling, calling out or baiting anyone. Please understand this.
    Thank You.
    Last edited by 44MAG#1; 10-12-2018 at 03:24 PM.

  2. #2
    Boolit Grand Master

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    Interesting. Thanks for the info. I wonder how CCI 350 would have fared. Any info with SD with primer groups?

  3. #3
    Boolit Master
    JBinMN's Avatar
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    Thanks for sharing your data!
    2nd Amend./U.S. Const. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

    ~~ WWG1WGA ~~

    Restore the Republic!!!

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  4. #4
    Boolit Master
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    Quote Originally Posted by osteodoc08 View Post
    Interesting. Thanks for the info. I wonder how CCI 350 would have fared. Any info with SD with primer groups?

    I have some CCI 350's but did not load any. I may load some of the CCI 300's and 350's later on and just chrono them
    I went back and listed the SD on velocities with each primer.

  5. #5
    Boolit Master
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    Quote Originally Posted by 44MAG#1 View Post
    I have some CCI 350's but did not load any. I may load some of the CCI 300's and 350's later on and just chrono them
    I went back and listed the SD on velocities with each primer.
    Thnx!
    2nd Amend./U.S. Const. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

    ~~ WWG1WGA ~~

    Restore the Republic!!!

    For the Fudds > "Those who appease a tiger, do so in the hope that the tiger will eat them last." -Winston Churchill.

    President Reagan tells it like it is: https://www.youtube.com/watch?v=c6MwPgPK7WQ

    Phil Robertson explains the Wall: https://youtu.be/f9d1Wof7S4o

  6. #6
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    georgerkahn's Avatar
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    Kudos and thanks for sharing your data! I am about to start -- my next loading project -- a (coffee) can or two -- of cast bullet .44 S&W Special cartridges, and hence, find your report most enlightening.
    Much appreciated!
    geo

  7. #7
    Boolit Buddy
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    Quote Originally Posted by osteodoc08 View Post
    Interesting. Thanks for the info. I wonder how CCI 350 would have fared. Any info with SD with primer groups?
    My experience using a chrono with revolvers and 296 have shown CCI350's to be approx. 50-70 fps faster than CCI 300 primers.

  8. #8
    Boolit Master


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    Thanks for sharing your experience.
    My takeaways:
    60 fps extreme variation is about 4%, least among lots is close to 1%
    Mfr. R showed the largest SD
    Mfr. W showed the least-for one lot, the other was close behind Mfr R.
    Lot to lot variation may be more significant than Mfr.
    How many shots were fired? 10 is less significant than a whole box.
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    I may be discharged and retired but I'm sure I did not renounce the oath that I solemnly swore!

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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