This barrel kit is the key to your .224 Valkyrie build. The 22″ fluted barrel is made from 416R stainless steel. Rifled with a 1-in-7” right-hand twist, this barrel features ½”x28 TPI muzzle threads for various muzzle devices. It comes with a 15” Windham Weaponry M-Lok compatible free-float forend, a .224 bolt that has been matched to the chamber, low profile gas block, gas tube, gas tube roll pin, QD sling swivel, 2″ M-Lok rail section with screws, and muzzle protector. Option to purchase as a complete barrel kit with everything needed to install the barrel or a barrel with a matched bolt and gas block.