Mild Load for 223

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Re: Mild Load for 223

Post by Gwion » 29 Sep 2016, 10:04 am

So what sort of case capacity/fill are you getting with that powder?

Any concerns about a flash over causing a pressure spike?
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Re: Mild Load for 223

Post by Oldbloke » 29 Sep 2016, 7:56 pm

Gwion wrote:So what sort of case capacity/fill are you getting with that powder?

Any concerns about a flash over causing a pressure spike?


I would have to go and check to be sure but about 60% of the case capacity. Not using any filler. Remember it is a fast burning powder, not slow.

Edit correction. About. 80% of case capacity
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Re: Mild Load for 223

Post by deadkitty » 01 Oct 2016, 7:51 pm

[quote="Oldbloke"]I have a 223 and have been thinking of developing a mild load for areas where distance is shortish and noise is an issue. Along the lines of a 22 mag or Hornet load.


I would like to use the Hornady 55gn Soft points using AS-50N. I'm temped to try it starting at 6.0 gn of AS-50N with the Hornady 55gn Soft point.

Not sure if this helps but here's my 4gr Tail Boss Load, I don't have a chrono, but it's sub sonic and about as loud as a standard .22LR. At 100 mtrs, I collected this from the target...backed my 2 mm mild steel which it managed to penetrate before falling just behing the target. Projectile was a Sierra 55gr Spitzer, and the remains weighed 53.4grs, so it held together pretty well.
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Re: Mild Load for 223

Post by Oldbloke » 01 Oct 2016, 8:07 pm

Deadkity,
Thanks for the pics. My concern was that they may not mushroom at the lower velocities but indication is that they will be fine. Great weight retention.
When I get back to where I fired my test rounds I will retrieve a few. The back stop was a log but I didnt have a method of retrieval. Also was running out of time.
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Re: Mild Load for 223

Post by Broom » 11 Oct 2016, 2:42 pm

Looks about perfect DK
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