AR15 .264LBC caliber barrel with extension 416R stainless steel with Caudle 3 land polygonal rifling.

Expected delivery will be from 6 to 12 weeks depending on caliber selected and production schedules.

***10.5” barrels in carbine length do not have enough room in front of the gas block for any fluting***

THIS BARREL WILL SHOOT ALL FACTORY AVAILABLE 6.5 GRENDEL AMMUNITION.