Faster. Can't tell you on barrel life. ( I'mHow do they compare to the 7 RUM ? Similar speeds without cooking a barrel in 1000 rounds?
Sure it is limited) but so far mines still shooting and I've never been worried about it. I'll order another barrel and keep shooting. Mines running 3400fps with 180s and could be ran harder if I wanted. Don't know how the other 7/300nmi work because this was a custom reamer design.
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