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Need help from 6mm Dasher shooters

Found a new/unused PPG 6mm Dasher reamer in my gun safe . . . long story. It has a .99 FB. Is that going to be enough for the 105-108 bullets?

Thanks,
Jim Hardy
 
I went with a .106 on my reamer. This was on the advice of Dave Kiff for 105/107/108 bullets. A .99FB should work OK, but will require setting the bullet a little deeper, thus possibly limiting your powder loads or compressing the load. 33.5 grs of Varget fills the case,I don't use a drop tube)pretty much all the way to the neck/shoulder junction.

BTW, I've found on that while fireforming the brass, a 6.5 expander mandel works much better than a .257 expander. The 6.5 creates a much more pronounced false shoulder. Since using the 6.5 expander, I've had no pierced primers, misfires, etc.
 

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