Eclipse S63 Tactical Barrel w/ Rifled Lapco Insert Black 0.686The S63 First Strike Tactical Barrel Kit is the ultimate starting point for MagFed players looking to optimize their loadout. This 4 piece kit offers a multitude of features that combine to give the player unparalleled flexibility with the ability to build a system that is tailored to all of their needs, regardless of playing style. The four piece system includes a tactical styled back, tactical grooved adaptor, a detachable muzzle brake and a Lapco