APF AR-15 6.5 Grendel Threaded Barrel 22in 1-8 Twist 5/8x24 Stainless. 5 Grendel Threaded Barrel. Established by using some of the most extremely heavy duty and long lasting components around these AR15 Barrels by APF provides you with an item which will give you many years of reliability. APF has been developing high quality products for a number of years and the APF AR-15 6.5 Grendel Threaded Barrel is their very own way of showing you how much they are concerned. At OpticsPlanet we ensure that it is our responsibility to get the best solution for your preferences and presenting the APF AR-15 6.5 Grendel Threaded Barrel is a thing that we are pleased to offer. Specifications for APF AR-15 6.5 Grendel Threaded Barrel: Manufacturer: APF Color: Stainless Fabric/Material: Steel Caliber: 6.5mm Grendel Barrel Twist Rate: 1-8 Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Firearms Threads Per Inch: 5/8x24 Package Contents: APF AR-15 6.5 Grendel Threaded Barrel What firearm models does the manufacturer say APF AR-15 6.5 Grendel Threaded Barrel is compatible with? The manufacturer says that APF AR-15 6.5 Grendel Threaded Barrel is compatible with AR-15APF RPB1015: AR-15 6.5 Grendel Threaded Barrel 22in 1-8 Twist 5/8x24 Stainless