5.56x45mm NATO Rifle Parts

10.5" 5.56 Stainless Steel Carbine 1:7 Medium Barrel

11.5" 5.56 NATO 1:7 Twist 4150V Black Nitride Carbine Barrel

Juggernaut Tactical AR-15 5.56 Stainless Midlength Fluted Barrel 18" 1:8 Twist

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

AR MAGLOCK AR-15 Gen 4 Fixed Magazine Lock and Release Solution with Steel EZ Pull Takedown Pin

NBS Premium Series 14.5" 5.56 NATO Upper Assembly w/ CMT UHPR Mod 2 HDX

Centurion Arms AR-15 5.56 Chrome BCG, Sand Rail Cut w/ Chrome V2 Bolt

NBS 4.5" 5.56 Nato Micro Pistol Medium 1:5 4150 Black Nitride AR-15 Barrel

NBS 10.3" 5.56 NATO 4150 CrMoV Carbine Government 1:7 Nitride Barrel

16" 5.56 NATO 1:9 Twist Phosphate Midlength Lightweight Barrel

16" 5.56 NATO 1:7 Twist Phosphate + Chrome-Lined Midlength Heavy Barrel

20" 5.56 NATO 1:9 Twist Phosphate Rifle Government Barrel

16" 5.56 NATO 1:9 Twist Phosphate Carbine Heavy Barrel

14.5" 5.56 NATO 1:9 Twist Phosphate + Chrome-Lined Carbine M4 Barrel

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

NBS 16" 5.56 NATO 1:7 Twist HBAR Mid-Length Stainless Steel Barrel

16" 5.56 NATO 1:7 Twist HBAR Fluted Mid-Length Stainless Steel Barrel

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

14.5" 5.56 NATO 1:7 Twist Black Nitride Mid-Length Barrel

LMT 5.56 Chrome Lined M4 AR-15 Barrel with A2 FSB - 10.5" 1:7 Twist

Ar-15 A1 Complete Upper Receiver 5.56 Piston - A1 T91 Complete Upper Receiver 5.56 Piston

WMD Guns 5.56mm 6 Positions Carbine Buffer Tube Mil Spec Black

WMD Guns Rifle 5.56 Buffer Gray/Black

WMD Guns Carbine 5.56mm Buffer Tube Gray/Black