13.7" .223 Wylde Spiral Fluted Barrel 1:8

16" .223 Wylde Dissipator Barrel w/NP3 barrel extension 1:8

16" .223 Wylde Dissipator Barrel w/TiN barrel extension 1:7

16" 7.62x51 NATO 1:10 Twist Barrel

14.7" 5.56 NATO Stainless Steel Barrel Polygonal 3 groove 1:8 twist