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  • 2 Post By smidey
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Thread: Hornady 55gr SP 223 REM Training Chronograph Results

  1. #1
    Member smidey's Avatar
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    Hornady 55gr SP 223 REM Training Chronograph Results

    I had the opportunity to put Hornady 55gr SP 223 REM Training through a chronograph today thanks to Spudattack.

    These are the results
    3178
    3120
    3114
    3124
    3119
    3128
    3144
    3174
    3175
    3184
    3181
    3171
    Average 3151.

    This is the last three rounds tested grouped at 100m

    ps: i had already posted this but it seems to have disappeared so sorry if this is a double up.
    steven and PERRISCICABA like this.
    If i could have a full time job shooting pests i'm up for over time.

  2. #2
    Member Banana's Avatar
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    What barrel length?

  3. #3
    Member smidey's Avatar
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    Sorry.
    Shot through a ruger American all weather ss with 22" barrel 1:8 twist

    Sent from my workbench
    If i could have a full time job shooting pests i'm up for over time.

  4. #4
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    reasonably big ES, doesn’t affect accuracy tho.......

  5. #5
    Member smidey's Avatar
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    Quote Originally Posted by greghud View Post
    reasonably big ES, doesn’t affect accuracy tho.......
    ES?

    Sent from my workbench
    If i could have a full time job shooting pests i'm up for over time.

  6. #6
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    extreme spread, the fastest and slowest chronographed speeds.
    it can indicate variances in powder charge or other inconstancies in the loaded rounds.
    often accurate ammo has a small ES.
    greg
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  7. #7
    Member smidey's Avatar
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    i thought it may have been something like that.

    Slowest (3114) is 70fps slower than the fastest (3184) so the difference is 70fps which is 2.2% less. 3114 is 1.2% less than the average 3151, as a percentage how does that fit with acceptable tolerances? Keeping in mind the slowest is 37fps slower than the average and we are talking about a 3,151fps average.
    If i could have a full time job shooting pests i'm up for over time.

  8. #8
    Member rs200nz's Avatar
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    That training brass is good stuff. Use it to reload now but out of the box it's pretty good bang for buck. Haven't tried the steel "Match" stuff but know they were selling it on NZAR15.

  9. #9
    Member smidey's Avatar
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    @logesearle

    Sent from my workbench
    If i could have a full time job shooting pests i'm up for over time.

  10. #10
    LOVE RED MIST deye223's Avatar
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    Quote Originally Posted by smidey View Post
    I had the opportunity to put Hornady 55gr SP 223 REM Training through a chronograph today thanks to Spudattack.

    These are the results
    3178
    3120
    3114
    3124
    3119
    3128
    3144
    3174
    3175
    3184
    3181
    3171
    Average 3151.

    This is the last three rounds tested grouped at 100m

    ps: i had already posted this but it seems to have disappeared so sorry if this is a double up.
    gee I hope at that price that's for 50rds if not you KIWIS pay a shitload for ammo

    Quote Originally Posted by smidey View Post
    i thought it may have been something like that.

    Slowest (3114) is 70fps slower than the fastest (3184) so the difference is 70fps which is 2.2% less. 3114 is 1.2% less than the average 3151, as a percentage how does that fit with acceptable tolerances? Keeping in mind the slowest is 37fps slower than the average and we are talking about a 3,151fps average.
    this is a good es shot out of my 260R with 130g VLD BURGERS but they shot shit so I went with a different load

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  11. #11
    .270 for the win logesearle's Avatar
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    Thanks @smidey .
    I have a 1:12 twist 22" barrel, would they slightly faster with a slower twist?

  12. #12
    Member smidey's Avatar
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    Quote Originally Posted by logesearle View Post
    Thanks @smidey .
    I have a 1:12 twist 22" barrel, would they slightly faster with a slower twist?
    I don't know, i guess slightly faster but that is just that, a guess
    If i could have a full time job shooting pests i'm up for over time.

  13. #13
    Member rossi.45's Avatar
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    ok there is ES loads out there . . but is accuracy good enough for what you want to achieve.

  14. #14
    R93
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    Yup a low ES doesn't always mean accurate. A bad ES of say 100 fps can still shoot very tight groups up to 200-300.

    Sent from my SM-G900F using Tapatalk
    Do what ya want! Ya will anyway.

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    Skatieguy likes this.

 

 

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