Author Topic: .223 Load data request :-)  (Read 2137 times)

0 Members and 1 Guest are viewing this topic.

Joeninja

  • SKS Shooter
  • **
  • Posts: 75
.223 Load data request :-)
« on: September 23, 2010, 03:01:46 PM »
Hey guys, can you help me out here? I cannot find a load anywhere to match what I have for components for .223 reloading. I tried the Speer manual, and some online manuals but can't find anything to match.

I have Remington 55gr FMJ .223 bullets, Remington 7.5 small rifle primers, and Winchester 748 powder. Where can I find a load that has these components? I found a similar one but it uses CCI primers. Thanks in advance!

allesennogwat

  • SKS Sniper
  • *****
  • Posts: 739
Re: .223 Load data request :-)
« Reply #1 on: September 23, 2010, 04:03:23 PM »
You didn't say which cases you have but in 223 it doesn't usually make much difference. The Winchester max load is 26.2 grains (w/ FMJ, 26.3gr w/SP) which isn't a bad load but may be on the mild side compared to military ammo but not by much and the cases may last longer. That is the max load by Winchester also, not a starting load. Some people really like 26.5 grains of W748 and somewhere around 27.0 grains of W748 will match the hottest military ammo. You can start with 25.0, 25.5 or 26.0 grains and see how it is. I like the Winchester load data myself. The Speer manual uses the CCI 450 primer with W748, which is similar to the Rem 7 1/2, but I don't always agree with the Speer load data.

Joeninja

  • SKS Shooter
  • **
  • Posts: 75
Re: .223 Load data request :-)
« Reply #2 on: September 23, 2010, 06:22:50 PM »
Thanks a lot! I read off the 26.2 gr load from a manual I found online, but I did not know it was the max...it didn't say that, it only had the one number.  I will start at 25.

allesennogwat

  • SKS Sniper
  • *****
  • Posts: 739
Re: .223 Load data request :-)
« Reply #3 on: September 23, 2010, 06:27:28 PM »
It was Winchester's max in their last load guide. It's a bit mild really. I think 26.0 grains should be safe and a decent load but you might want to start at 25.0 grains in go up a half a grain at a time and see how it shoots.

Joeninja

  • SKS Shooter
  • **
  • Posts: 75
Re: .223 Load data request :-)
« Reply #4 on: September 23, 2010, 06:30:27 PM »
Oh, my eyes must be bad, or maybe I read a different manual...well anyway thank you so much for your help. I really appreciate it!

Oh and I have all different types of cases...Lake City mil spec, winchester, and remmington.

allesennogwat

  • SKS Sniper
  • *****
  • Posts: 739
Re: .223 Load data request :-)
« Reply #5 on: September 23, 2010, 08:23:24 PM »
It's an out of print manual they used to give away in paperback. They had some loads that were suppose to be similar to the Winchester USA ammo.

allesennogwat

  • SKS Sniper
  • *****
  • Posts: 739
Re: .223 Load data request :-)
« Reply #6 on: September 23, 2010, 08:32:55 PM »
Here's the Winchester load guide that used to be available. It's in PDF. You can save a copy. Look on page 22 for the 223 Remington load data.

http://www.chinapdf.com/PDF-samples/product-brochure/reloadersmanual.pdf

Frisco Pete

  • Global Moderator
  • SKS Guru
  • *****
  • Posts: 7599
Re: .223 Load data request :-)
« Reply #7 on: September 24, 2010, 11:59:39 AM »
You should always start a little low and then work up to your load goal.  That will take care of the various differences in components that can affect pressure.  Winchester, Remington, and military LC or WCC and IMI .223/5.56 brass has virtually the same case capacity - despite what some reloading manuals might say.

Here is some more MAX load data for W-748 and 55-gr bullets from different sources.  I normally average them all out because that gives the most accurate perspective and basically helps flatten out the 'speed bumps' in the data and use that figure as the "real" maximum.

Sierra - 26.5 (Rem 7.5 primer)

Nosler - 26.0 (Rem 7.5 primer)

Lyman - 27.8 (Rem 7.5 primer)

Speer - 28.0 (compressed / CCI 450 primer)

Hornady - 26.4 (Win WSR primer)

Winchester - 26.2 (Win WSR primer)

AVERAGE MAXIMUM = 26.8 grains W-748 / 55-grain bullet

A chronograph really helps you because you can see where the velocity, and hence basically the pressure is at.  Mil-Spec 55-gr M193 FMJBT goes 3240 fps from my 20" AR, so I really want to stay under 3200 for my loads - as an example.  




« Last Edit: September 24, 2010, 12:05:45 PM by Frisco Pete »
Advice is seldom welcome; and those who want it the most always like it the least.
[Lord Chesterfield]

He who dies with the most 22 LR ammo wins...

allesennogwat

  • SKS Sniper
  • *****
  • Posts: 739
Re: .223 Load data request :-)
« Reply #8 on: September 24, 2010, 02:43:48 PM »
To add another max load , the hard cover Hodgdon load guide shows a max of 27.5 grains of W748 with a 55 grain bullet. One Hornady manual shows 27.7 grains max. One Sierra manual shows 26.7 grains max. In looking at my notes, 25.5 grains is nearly 200 fps slower than military M193 from both a 20 inch and a 16 inch AR. (198.9 fps less in 16", 184.8 fps less in 20") The most accurate all around load I've found is 26.6 grains of W748 with a 55 grain bullet. The military ammo is loaded slightly hotter than commercial 223 Remington ammo.
« Last Edit: September 24, 2010, 02:55:35 PM by allesennogwat »