Like new factory built LWRC M6a2 piston with a 14.5” barrel, pin and welded Yankee Hill muzzle brake/compensator, upgrades include new nickel boron BCG & Timney Competition trigger (2#), Primary Arms 1-6x24 with ACSS reticle mount on a ADM QD scope mount, LWRC BUIS, very low round count, will come as in the photos.