CFE223 ok/optimal for .308? Temp sensitive?

[thebigbaby]

Hunting Montana in November. Plan to do load development the next couple weekends for my AR-10. Have several pounds of CFE223 so rather use that, then go out and buy Varget.

Thoughts?

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[Local Loader]

Both will work depending on bullet weights but overall both should work just fine.
Only difference is CFE is better for Mono, alloy, leadfree and fmj bullets as it's designed to reduce the amount of copper left on the barrel after firing.

 

[JO JO]

I would choose varget for the better temperature stability, if you work up a load with cfe223 when it's a hot day it will not behave the same in the winter
Cfe223 is temperature sensitive
You tube has some good videos on cfe223 showing how a load that worked well in the summer and would not cycle the same gun in the winter

 

[Certaindeaf]

Your only viable option is to hobby horse it to keep it warm.

 

[JuglansRegia]

Ok yes, optimal no. l learned a long time ago that its a waste of time trying to reinvent the wheel.