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tammons
09-18-2009, 05:16 PM
If you are going to go over 12.5 gr of blue dot, I would suggest testing loads about 1 grain increase at a time. Pressure spikes extremely fast.

I think I chronoed those loads.
Come to think of it, I think I shot those through my dads 1:9 with no ill effects.

I will look around for my data.

tammons
09-18-2009, 05:40 PM
223, 12.5 gr BD, 50 gr bergers, jumped .015, A+B 1:14 twist barrel, 2740 fps.

1Shot
09-18-2009, 07:25 PM
Well all my 223's are 1 in 9 so I'll back off the charge a bit.... 1Shot, sounds like there should be a story there "I know first hand" We get some a little hot??? Bill


..It's been awhile ago but it pierced a CCI pr. & knocked the extractor out of the bolt...Alittle too warm is right..lol...It was fun trying to get that bolt back..Luckily all the pieces were still useable...I just pushed the spring & ball back in & checked for function...Got lucky..Didn't seem to bother the firing pin...Still works to this day..

savageboy
09-18-2009, 07:41 PM
Fatdaddy- just use less Blue Dot in the straight .223 case. I tried from 11gr-13gr. in the .223 AI. You can use good judgement, be safe and experiment. The 12.5gr. load with a 35gr. Vmax tip at 3100fps. It is the load that it liked the best. I can get 555 loads out of a pound of powder. Wish they sold the 35gr. Vmax in bulk.
Super accurate. Looks funny though- See pics. It makes a nice "pop" I have shot it out to 150yds. It drops like a brick after that and is very sensitive to the wind.
The pressure really spikes with the fast pistol powders. Be careful when going up in Charge weight. Just be safe. I don't think you can go to low. Just becareful after about 11gr. or so.

http://i64.photobucket.com/albums/h163/2139882/DSC_0016-1.jpg[/img]]http://i64.photobucket.com/albums/h163/2139882/DSC_0016-1.jpg (http://][img width=600 height=450]http://i64.photobucket.com/albums/h163/2139882/0717081205.jpg (http://[img width=600 height=450) Shot with the reduced load about 65yds. It went in and didn't come out. Dropped it like a sack of potatoes!