its a matter of trying a whole bunch of them - and as long as you follow some guidelines/advice from people who have used them (a lot) like what is listed back in this post
Thats what I'm going to do, try, listen and choose something mid range that I can build on - at least get the base right
The overall answer is called BRD I think
consider 6.8 SPC more grunt than the pussy 223
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