Need load data for 77gr........223

April 17, 2010 11:32

I have some unknown 77gr bullets I would like to load to shoot in tomorrows CMP shoot.
I need starting load and maximum load data plus COAL using Varget.
Thanks,

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4 comments

dcs shooters

April 17, 2010 12:00
Start 21.0gr. to 23.7c max. Load COL to fit in mags.
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shoff14

April 17, 2010 12:58
Picture of the bullet, I bet we can figure out what it is. There are very few 77 grain bullets on the market.
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RugerNiner

April 17, 2010 13:14
These came from a benchrest shooter.
He gave me all different weight grains in a bag and I sorted them by weight.
Apparently there are two different brands here.
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shoff14

April 17, 2010 13:29
.990"?

Those would be siera's, both of them.

From the Sierra manual for AR's 22.6 - 23.9 loaded to 2.260" OAL
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Need load data for 77gr........223

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