New unwrapped just to take photo and to look over. New Blackhole Weaponry .264 LBC/ 6.5 Grendel barrel. Barrel Specs. Chambered .264 LBC / 6.5 Grendel. 3P stainless 18" 1-8 twist Machine finish Rifle length gas Standard contour Target crown M4 extension $260.00 Shipped. PayPal plus fee or as gift (Friends/family).