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.223 1 in 7" twist barrel reload data

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.223 1 in 7" twist barrel reload data

Postby deadeye89 » Tue Sep 18, 2012 1:21 am

Hey guys,

I am in need of some assistance with regards to reloading the heavier kind .223 bullets. I bought a Savage model 12 vlp in .223 with a 1 in 7" twist barrel. The rifle is able to shoot and stabilise up to 90 grain bullets.

I saw that s321 and s335 are the two recommended powders for reloading of this caliber. The 75 grain Hornady A-max and Berger 82 gr BT match target and vld bullets are going to be experimented with at first.

I have not been able to obtain any data regarding the reloading of the afore mentioned bullets and powders. Please help.
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Re: .223 1 in 7" twist barrel reload data

Postby swc-tr » Tue Sep 18, 2012 6:36 am

deadeye

Depending on the throat length of your rifle's chamber, you can load the 80gr class weight bullets with up to 23gr S321 or 22gr S335. If you cannot load to a OAL of 62mm or longer, then these loads will be too high. The best advice is to start low and work up gradually, be on the lookout for signs of high pressure.

The above mentioned loads were safe in Remington cases, PMP cases have relatively thick walls thus small volume, be careful. From a 26" barrel these loads gave 2750fps with 80gr bullets.

Please report back with your results.
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Re: .223 1 in 7" twist barrel reload data

Postby swc-tr » Tue Sep 18, 2012 8:30 am

deadeye

Go to the General section of the forum, please introduce yourself, where are you from, are you intending to take-up F-class shooting, etc?
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Re: .223 1 in 7" twist barrel reload data

Postby deadeye89 » Tue Sep 18, 2012 10:18 pm

Thanks for the advice, appreciate it.

I purchased Lapua cases for reloading the heavier bullets as I read that they have a high volume capacity, so I hope that they will do the trick. I am always really careful when it comes to pressure signs while doing load developments, but still thanks for the reminder cause it is really important.

I have ordered my reloading dies but am still waiting for them unfortunately. Will post my progress on the load development process as soon as possible.

Will get to the introduction process. I am planning on joining the Bisley guys in Phalaborwa next year.

Again thanks for the help.
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Re: .223 1 in 7" twist barrel reload data

Postby deadeye89 » Sat Oct 06, 2012 8:53 pm

Ek het my ladingontwikkeling gedoen en vandag saam oom Jan van der Merwe gaan skiet. Het tot op 800 meter gegaan, en die .223 het mooi gewerk in winde van 12 - 18mph vandag.

Die COL met 'n 0.5mm jump was:
69 gr Sierra matchking = 59.34mm
75 gr Hornady A-max = 62.95mm
82 gr Berger bt match = 62mm

Die ladings het gestrek van:
S335
69 gr smk = 22.4 - 23.3 grein
75 gr A-max = 22.0 - 23.0 grein
82 gr Berger = 21.5 - 22.4 grein

S321
69 gr smk = 22.2 - 23.7 grein
75 gr A-max = 22 - 23.5 grein
82 gr Berger = 21.3 - 22.8 grein

Die hoogste ladings is nie maksimum in my geweer gewees nie, aangesien ek geen tekens van druk ondervind het nie.

Die 75 gr A-max was sover die beste gewees. Het gedurende lading ontwikkeling 'n 8mm 3 skoot groepering gekry teen 'n spoed van 2780 - 2800 fps dit was met 22.7 grein s335 poeier gewees. Hierdie ammunisie het ook baie goed gewerk op die lang afstande en vertikale verspreiding van skote op 800 meter was baie klein.

Dankie vir die hulp om die wiele aan die rol te gekry het.
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Re: .223 1 in 7" twist barrel reload data

Postby swc-tr » Sun Oct 07, 2012 1:41 pm

Praat met oom Jan oor die Liga, einde Oktober in Pta, sien jou daar, ons kan plek maak in 'n span vir jou.
SW Cullinan (SABU #388)
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Re: .223 1 in 7" twist barrel reload data

Postby deadeye89 » Sun Oct 07, 2012 9:17 pm

Ek sal hom 'n lui gee dankie oom.
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Re: .223 1 in 7" twist barrel reload data

Postby Ferdi Bam » Tue Nov 06, 2012 6:52 pm

Hallo Deadeye89,

Ek wil net seker maak van die Savage .223Rem wat jy het se loop-lengte. Op die internet word gewys dat die spesifieke model n 26" loop het. Ek het n Sako .223Rem met n 26" 1-9T loop en wil n paar vergelykings maak mbt ladings en spoed. Sal jou op hoogte hou wat ek wys geword het.

Groete

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Re: .223 1 in 7" twist barrel reload data

Postby deadeye89 » Thu Nov 29, 2012 11:04 pm

Hi Ferdi

Sien nou eers jou post, bietjie besig gewees die laaste ruk.

Die loop is 26" in lengte. Die Ftr model het 'n 30" loop ook met 'n 1 in 7" twist.

Die 75gr A-max skiet teen 2800fps met 22.7gr kruit, maar is moontlik om vinniger te gaan.
Die 82gr Bergers skiet teen so 2700fps en op tot 2800fps met 23.5gr kruit sonder enige tekens van druk probleme nie. Die twee punte was sover nog net getoets met s335.

Het nog nie swaarder gegaan nie, maar die swaarder punte is nie van toepassing op 'n 1 in 9" twist normaal weg nie.

Ek het uitstekende akkuraatheid uit die 68gr Hornady bthp match en 69gr Sierra matchkings gekry oor korter afstande. Die twee punte met s321 kruit gaan so teen 2950fps. 69gr smk word met 22.5 gr gelaai en die 68gr Hornady match met 23.9gr gelaai. Het nog nie die geleentheid gehad om die 68gr te chrony nie.

Hoop die is van hulp.
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Re: .223 1 in 7" twist barrel reload data

Postby swc-tr » Fri Nov 30, 2012 8:47 am

poepoog ;) :oops:

Jammer, kon dit vir die oomblik nie weerstaan nie, maar op 'n meer ernstige noot, ons het volgende Saterdag 8 Des 'n oefening hier op Middelburg, wat Ferdi met sy .223 gaan kom bywoon.
Hoe lyk dit, sal jy dit kan meemaak, dan kan ons bietjie die .223's goed toets, ons baan gaan tot 900m. Kan jou scope genoeg stel om by te kom, of hopelik het jy 'n taps basis waarop jou scope monteer is?

Hou asb in gedagte, as jy hopelik ernstig gaan F-TR skiet, die reëls bepaal dat met 'n .223 slegs koeëls ligter as 81gr gebruik mag word. Op klubvlak oefeninge sal dit nie streng toepas word nie, maar wel by belangrikker kompetisies. ;)

Die beperkte ondervinding met die .223 wys dat die koeëls met die hoogste BC die beste werk vir die langpad, dus sal dit raadsaam wees om jou aandag te spits op die 75gr en 80gr klas koeëls. :idea:
SW Cullinan (SABU #388)
"A fool with a tool, is still a fool!"

SABU Exco member
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