.260 vs 6.5x55
Brian,
Don't know if it's available in a browning, but you might take a look at the 6.5x55. More factory loads available, and there is excellent Lapua brass at reasonable prices. The real reason is a little more case capacity. If you handload you can have the chamber reamed for 6.5x55 AI, and beat most 260 rem velocities by about 200fps.
That said, I can drive 130s to about 2800 without much difficulty. The extra 200 fps would just give you a little flatter trajectory. Both rounds are good. I make my .260 rem brass from Lapua .243. It is a simple one-stage process necking up with an expander mandrel.
I've found the Lapua is so consistent I don't even have to trim the cases after necking up. The gun has basically put bullet/load combo I've tried under .6" for five and it shoots the 120s in the 2s for three shots.
One nice thing about the .260, it doesn't seem to be real finicky about loads... both slow and fast work well.
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