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Got my Hornady .224 55gr FMJ

Discussion in 'Reloading' started by njl, Dec 2, 2011.

  1. njl

    njl

    7,800
    670
    Sep 28, 2000
    :noitacoL
    Now, I guess I should size and trim some 5.56mm brass.

    These will be my first .223 reloads. Do all these numbers seem inline?

    Trim to 1.750"
    Seat to 2.200" (or perhaps a bit longer...we'll have to see where the cannelure falls)
    25gr H335
    CCI #41 primer (I also have CCI 450)
     
  2. Steve in PA

    Steve in PA

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    Mar 1, 2000
    Pennsylvania
    Sounds like the standard load for a 55gr FMJ.
     


  3. ColoCG

    ColoCG

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    Mar 18, 2011
    Colorado
    Everything looks good as long as you know Hodgdons lists 25.3gr of H335 and a 55gr. bullet as a maximum charge and you proceed accordingly. H335 is a great powder for the .223.
    I usually load them 2.225".
     
    Last edited: Dec 2, 2011
  4. PCJim

    PCJim Senior Member

    2,950
    1
    Aug 4, 2008
    FL
    Exactly what I've been doing the last three nights - prepping ~800 cases and tonight loading up the last of some Win bulk 55 fmjs.

    2.20 is a good COL but like stated, let the cannelure have the final say.
     
  5. rg1

    rg1

    391
    5
    Aug 5, 2003
    Kentucky
    2.200 is a little short to seat and crimp in the cannalure with brass trimmed to 1.750-1.760". I seat them to 1.220". 25 grains of H335 is a commonly used load and has been already mentioned that Hodgdon says maximum is 25.3 grains. I get about 3150-3170 fps in a couple 20" barreled AR's. Make sure all primers are seated flush or below.
     
  6. Hoser

    Hoser Ninja

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    May 22, 2002
    I trim mine a touch shorter than that, but otherwise your good.
     
  7. RustyFN

    RustyFN

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    Sep 29, 2006
    West Virginia
    I have shot at least a couple thousand of the same bullet, I am very happy with the accuracy. H335 is also the powder I use and think it's a very good powder. I would start at around 24.5 grains and work it up.
     
  8. squirreld

    squirreld

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    Jan 15, 2006
    US of A
    I'm at 2.255 COL, but I also run 65+ gr projectiles.
     
    Last edited: Dec 2, 2011
  9. njl

    njl

    7,800
    670
    Sep 28, 2000
    :noitacoL
    My #3 shell plate appears to be out of spec, which is putting a severe damper on trying to get any .223 loading done. I read that some use the 9mm shell plate for .223, but that it's not recommended, because it can result in torn up brass. So, I tried it, and of course, the second case I resized that way, I tore off a section of case rim, leaving the brass stuck in the die. Before you ask, I did lube, using Dillon case lube.

    So, until I sort out the shell plate being unreasonably tight, I've given up on prepping any more .223 brass. I figure I could at least use one of my sized/trimmed cases to adjust the other dies. Following the directions for setting up the seating die, the first attempt at seating a bullet resulted in the projectile falling into the brass. I backed off the die a bunch more turns (in addition to the 2 after it touches the shell plate) and tried again. Seating the Hornady 55gr bullet to about the middle of of the cannelure, I get an OAL of 2.232". A loaded round of LC M193 is 2.252". I haven't pulled an LC bullet, but I guess the Hornady ones are either shorter or have a higher cannelure?
     
  10. Ljunatic

    Ljunatic On The Fringe

    1,034
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    Oct 23, 2001
    Lincoln, Nebraska
    Hornady 55 gr FMJ and Spire points are seated to 2.200" COL and that is what Hornady recommends

    Remember to full length resize first, then trim to 1.750"

    I think you will find the sweet spot for H335 to be around 24.5gr

    I would start with 10 rounds at 24 and work up in about .3 gr increments to Max load of 25.3gr, then test for best accuracy

    ETA I pretty much duped RustyFN
     
    Last edited: Dec 4, 2011
  11. I found 335 to be quite hot, even at a low-mid range load. Even the range officer had a look and noted flattened primers after one case got stuck.

    Start at a minimum listed charge. If you're just plinking, no need to make barn burners.