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Rammer223

40gr 223

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Anyone running these through 20” barrel what sort velocity can be expected, what powder works I have plenty N133 which I have good results using with the 53gr vmax through 26” barrel 

regards lee 

 

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This data is from a 26" barrel,not sure how many fps you'll lose with a 20", i expect someone will.

Gives you an idea of powder though.

IMG_20190314_203945.jpg

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I was around 3700@20-degrees C with a 20" T3, N130 but dont recall the charge off hand.

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If I could get somewhere near that would be happy enough after looking around on the web not sure could get enough N133 in the case for 40s more expense!!! , trouble with vit is size of tubs takes me years to get through the stuff with the amount I do 

lee 

 

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I’m away so can’t look up my load at the moment but take a look at Reloader 10x.

I was seeing great velocity (from memory over 3900) and accuracy with RL10 and 40g Blitzkings from a 1:12 24” barrel which I unfortunately no longer own. 

 I just ran some leftover rounds through a 16” fast twist and the accuracy was amazing. I’ll be resurrecting the load !

 

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