F Faxon Match Series Barrel AR-15 6mm ARC 1 in 7.5 Twist 20" Heavy Contour Fluted Rifle Length Gas Port 5R Rifling Stainless Steel Nitride with ... - 140928" $312.80 15BARC75R20FHQ-5R-NP3 show more like this 10.75 MidwayUSA F Faxon Firearms Match 6mm Arc Rifle Barrel - Match 6mm Arc 20" Bbl Rifle-Length Heavy Fluted Nitride $312.80 15BARC75R20FHQ- show more like this additional Brownells F Faxon Firearms Match Barrel, AR Platform, AR-15, 6mm ARC, 20in, Heavy Fluted, Rifle Length, 1-7.5 Twist, 5/8x24 TPI Thread, Black, 15BARC75R20FHQ-5R-NP3 $312.80 15BARC75R20FHQ5RNP3 show more like this Free Shipping on most orders over $49 Optics Planet