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223 55 Grain Loads

Discussion in 'Handloading and Reloading' started by Delaware Ken, Mar 30, 2010.

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  1. Delaware Ken

    Delaware Ken Member

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    I'm planning on loading up some 55 Gr 223 loads for a 16" barrel, 1 in 9 twist. I've been looking at the Sierra SPT or the SBT bullets. The reason I'm going with the 55 Gr is because I've got a Leupold Mark AR 3X9 Scope headed this way which is calibrated for 55 Grain 223/5.56 NATO loads.

    Anybody have a load that they have worked up which would at least give me a good place to start that would be compatable with the scope? I have the Lyman and Sierra Relaoding manuals, but a lot of times first hand info works out better than the manuals.

    Any help would be very much appreciated, Ken
     
  2. shootinxd

    shootinxd Member

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    Welcome to the forum Ken,I have beenusing 24.5 grn of accurate 2230,clean andfast.
     
  3. JimKirk

    JimKirk Member

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    I'm shooting 55 gr Sierra's out of a 16" DPMS Sweet Sixteen with 23.4 grains of Reloder 10X for a velocity of 2860 FPS. These are not real fast, but with the 16" barrel takes a good hit on velocity. Factory 55 gr loads averaged only 30 FPS more when I shot both loads over the chronograph, so I'm not loosing too much compared to factory rounds.

    Jimmy K
     
  4. Randy1911

    Randy1911 Member

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  5. steve4102

    steve4102 Member

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    I like ball powders, easy to meter. AA 2230, Tac and X-Terminator are my favorites.
     
  6. SSN Vet

    SSN Vet Member

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    25 gr. of H335 is a trusted old favorite for many

    I load it with good results...

    can't go wrong with it.
     
  7. JonB

    JonB Member

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    25gr H335 here too. 16" 1 in 9 twist, RRA AR-15
     
  8. Runningman

    Runningman Member

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    Another vote for 25.0 H335 with a 55 grain bullet.
     
  9. rjbishop

    rjbishop Member

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    24.2 gr of H4895 is a very accurate load in my 16" Colt.
     
  10. X-Rap

    X-Rap Member

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    That 335 must push a lot of those 55gr. pills, its my favorite.
     
  11. Delaware Ken

    Delaware Ken Member

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    Thanks for the help. Looks like 25 grain H335 will be a good place to start.

    Ken
     
  12. ole farmerbuck

    ole farmerbuck Member

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    I agree with JimKirk on the rl10x. Very accurate. When and if i ever run out of H335, i'll start using my 10x
     
  13. Damon555

    Damon555 Member

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    Don't start with that load....In my opinion you should start at least 1 grain lower and work up to 25 in your rifle. I'm not saying there is anything wrong with that load but it could be a whole different ball game in his rifle.

    Just load 5 @ 24....5 @ 24.5 and 5 @ 25 and make sure there is no sign of pressure.
     
  14. X-Rap

    X-Rap Member

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    Good point and we shouldn't take it for granted that loaders will always start under a suggested load and work up.
    That is a max load in some books so definitely drop down some to start, Damons suggestion is good.
     
  15. cheygriz

    cheygriz Member

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    I've had my very best luck with 26.0 gr H335, (which was formulated for the 5.56 originally) and accurate 23-23.5 gr. of 2230. Don't start with those loads, work up to them!

    But BL-C 2, and most of the MilSurp powders in the same burning range work very well also.
     
  16. ole farmerbuck

    ole farmerbuck Member

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    Yep, that BL-C2 at 28.5gr in my Savage is a p-dog getter!
     
  17. DIM

    DIM Member

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    Try 26.1 gr of Varget and 55 gr VMax loaded .005 of the lands, in my Rem SPS it keeps 0.2" 5 shot group
     
  18. Skip_a_roo

    Skip_a_roo Member

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    Varget is a great powder for the 223, no doubt about it. When I load on my XL650 though, maximum charges tend to "slosh" out of the case if I'm not paying attention. I went to BL-C(2) because it meters well and gives the next best velocity and is available locally. I am down around 26gr though.

    FWIW
     
  19. DIM

    DIM Member

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    Last week I tried 26.5 grains of H335, wasn't bad same 0.2" groups but it really shortens brass life, so I tried to lower my load to 25.3 gr as the result my groups open up to 0.42"
     
  20. HOWARD J

    HOWARD J Member

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    I had good shooting with 23 gr. of H322
    At $26 per #--I never used it again.
    I stick with H335
     
  21. DBR

    DBR Member

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    335 is an excellent powder but temperature sensitive. Loads developed when the weather is cool can be a bit hot when the temperature goes up. Same holds true for ammo left in a hot chamber or in the sun or in the car.

    I like 322 for <=60gr and TAC for >60gr. Neither of these powders are very temp sensitive. Where I live temps can be anywhere from -10* to 100* so this characteristic matters to me. YMMV
     
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