5.56x45mm NATO Barrels

10.5" 5.56 Stainless Steel Carbine 1:7 Medium Barrel

8.5" 1:7 5.56 Stainless Steel M4 Pistol Barrel

16" 5.56 HBAR 1:9 Twist Black Nitride Carbine Barrel

10.5" 5.56 NATO 1:7 Twist 4150V Black Nitride Carbine Barrel

20" 5.56 Chrome-Lined Lightweight Contour 1:9 Rifle Length Barrel w/ FSB Pho

20" 5.56 Lightweight Contour 1:9 Rifle Length Barrel w/ FSB Phosphate

Premium Series 10.5" 5.56 NATO 1:7 Black Nitride Carbine Length Barrel

AR-15 16" Black Nitride 4150 Steel SOCOM Barrel 5.56 NATO Mid Length Gas 1:7 Twist

20" Black Nitride 4150 Steel Government Barrel 5.56 NATO Rifle Length Gas 1:7 Twist

10.5" 416R Stainless Steel M4 Contour Barrel 5.56 NATO Carbine Length Gas 1:8 Twist

16" 5.56 Parkerized 1:9 Twist Carbine Length Barrel

16" 5.56 NATO Contour 1:7 Mid Length 416R Barrel - Stainless

16" 5.56 NATO 1:8 Carbine Length M4 Barrel - Black Nitride

16" 5.56 NATO 1:7 Mid-Length Lightweight Barrel - Black Nitride

13.9" 5.56 NATO 1:7 Black Nitride Midlength Pencil Barrel

14.5" 5.56 NATO 1:7 Black Nitride Midlength Pencil Barrel

16" 5.56 16" Parkerized Carbine Heavy Barrel 1:9 Twist

16" 5.56 NATO 1:7 Twist Black Nitride Mid-Length Pencil Barrel

NBS 16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK Complete Upper

NBS 16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK Complete Upper

NBS 16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK Complete Upper

7.5" 5.56 NATO 1:7 Black Nitride Pistol Length Barrel

NBS 16" Carbine 5.56 NATO 1:7 Complete Upper

7.5" 5.56 NATO 1:7 Parkerized Pistol Length Barrel