6 BRA / Dasher

They do the same exact thing. If you’re not already set up for one, just pick one and run with it. Literally no one can shoot the difference between the two.
 
With the various mag kits/options available anymore there is literally zero difference. You may need to fine tune both of them depending on what mags/chassis/bottom metal you run but in general they are both reliable.

Again, there is not one that is better than the other. You can shoot/fireform straight BR in a BRA chamber if that’s of any difference to you but otherwise they are more or less identical.
 
If I was starting from scratch, I would do a GT for the reasons mentioned. Just less to fuss with, dont need special mags or messing with feed lips.

If I had to choose between the BR/Dasher, I would do a BRA.

Fireform loads are accurate enought to shoot in matches. Run a 28" BRA around 2800-2850 and you should get 2500-3000 rounds on the barrel. Lapua makes brass which is always a plus.
 
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