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