Prometheus 6.03s w/ KSC Perfects for the win.
I have a Prom. barrel in my M14 and my SCAR and they both work like a dream.
Tried using a Deepfire tightbore in my C7A2.. ya, its gettin replaced. I find Deepfires are poor barrels. Very inconsistently made. Expect to see one in the for sale section very soon :P
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