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Which powder cfe 223 or xbr8208 for 155 gr 308

poposhemi

Private
Full Member
Minuteman
May 1, 2012
15
0
55
Ready to start load development but uncertain which powder would more accurate, temp stable, etc with 155 gr. Thanks
 
I loaded Sierra 155 Palma's with CFE223 at 47.6 gn's and have found it to be very accurate. 2950 fps out of a 26" Bartlein 11.25 5R barrel.
 
XBR 8208 by far with the 155. Not all powders react the same sensitivity wise from caliber to caliber (say compared to 223 to 308), but 8208 takes the cake insofar as 308 and temp insensitivity. What brass you using?
 
2805 with 44.9 XBR and 2156c's Sunday, over V3 MS chrono. Very windy, but is normally around .75-.8 5 round shooter in 21" AR.
 
Using federal brass, cci200 primers have like 2000 of them left.
 
Just another option.

46.4gr Varget
155 Berger Hybrid
Lapua brass
2.155" ogive
2,896fps from a 24" Bartlien
CCi 250