Tiger Rock Threaded Barrel 5.56 NATO 16in Carbine Length 1-8 Twist 1/2x28 Thread Pitch Stainless Steel Silver Large. 56 NATO Rifle Threaded Barrel then you have come to the ideal spot.. Formulated by using some of the most extremely strong and long lasting substances available these AR15 Barrels by Tiger Rock will present you with an item which will give you numerous years of reliability. Tiger Rock has been making superior quality merchandise for a number of years and the Tiger Rock 5.56 NATO Rifle Threaded Barrel is their very own manner of revealing how much they are concerned. Here at OpticsPlanet we make it our obligation to purchase the most suitable product for all your requirements and exhibiting the Tiger Rock 5.56 NATO Rifle Threaded Barrel is one thing that we are pleased to offer. Specifications for Tiger Rock 5.56 NATO Rifle Threaded Barrel: Manufacturer: Tiger Rock Color: Silver Fabric/Material: 416R Stainless Steel Caliber: 5.56x45mm NATO Barrel Length: 16 in Gas System Length: Carbine Length Gas Block Journal Size-Diameter: .750 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-8 Gun Make: AR Platform Gun Model: AR-15 Package Contents: Tiger Rock 5.56 NATO Rifle Threaded Barrel What firearm models does the manufacturer say Tiger Rock 5.56 NATO Rifle Threaded Barrel is compatible with? The manufacturer suggests that Tiger Rock 5.56 NATO Rifle Threaded Barrel is compatible with AR-15Tiger Rock BR168-S: Threaded Barrel 5.56 NATO 16in Carbine Length 1-8 Twist 1/2x28 Thread Pitch Stainless Steel Silver Large