5.56x45mm NATO Barrels

Colt LE6920 AR-15 Barrel 5.56x45mm NATO 16" Government Contour 1:7" Twist Matte with Front Sight Base

Colt LE6921SOCOM 5.56mm 14.5" Heavy Bbl KAC Rail Matech BUIS Matte Black Upper Receiver Conversion Kit LE6921SOCOMCK

DRD TACTICAL DRD TAC 5.56 HAMMER FORGED CHR

Centurion Arms Barrel Forged Hammer 16in Black NSN 9305.20.9000

Daniel Defense 5.56mm NATO 16" 1:7" CMV CHF Mid-Length Gov't Barrel Assembly w/FSB 07-077-02114

FPM Gunworks Silencers Whistling Bunghole Heat Treated 5.56/.223 Rem 1/2x28

LWRC International LWRC ICDI M-LOK Direct Impingement 5.56mm NATO 16.1" 1:7" 1/2x28 Bbl Black Complete Upper Receiver ICDIU5B16ML

Ar-15 Elite Series Barrel Mid-Length - Ar-15 16'''' Barrel Mid-Length Lead Lapped 416 Ss

Ar-15 Competition Series Barrel Mid-Length - Ar-15 16'''' Barrel Mid-Length Lapped 416 Ss

Ar-15 Performance Series Barrels Mid-Length - Ar-15 14.5'''' Barrel Mid-Length Button Rifled 416 Ss

DEL-TON 16" Heavy Mid-Length Rifle Kit

POF Puritan 5.56 Barrel 16.5" Midlength

Ar-15 Threaded Fluted Barrels - Ar-15 16.5'''' Threaded Fluted Barrel 1-8 Twist

NOVESKE OG BARREL 556 12.5" LW SS

Noveske Barrel 5.56 10.5 Shorty Stainless .750 Micro Switchblock Carbine Length Gas Tube Wrench

Noveske Leonidas AR-15 Barrel 5.56x45mm NATO 12.5" Lightweight Contour 1:7" Twist Chrome Lined with Headspaced Bolt and Low Profile Gas Block

Noveske Recon AR-15 Barrel 5.56x45mm NATO 16" Lightweight Contour 1:7" Twist Chrome Lined with Headspaced Bolt and Low Profile Gas Block

Noveske Infidel AR-15 Barrel 5.56x45mm NATO 13.7" Lightweight Contour 1:7" Twist with Headspaced Bolt and Low Profile Gas Block

Noveske CQB Match AR-15 Barrel 5.56x45mm NATO 10.5" Medium Contour 1:7" Twist Bead Blasted Satin Grey with Swtichblock Gas Block

Ballistic Advantage 16" 5.56 Government Profile Midlength AR-15 Barrel Modern Series w/ FSB Circular Handguard Cap

Aero Precision M4E1-E AR-15 5.56x45mm NATO 13.9in Atlas S-One M-LOK Upper Receiver Government CMV Mid Length 1-7 Twist 1/2x28 A2 Flash Hider 12.7in HG

Aero Precision M4E1-E AR-15 5.56x45mm NATO 13.9in Atlas S-One M-LOK Upper Receiver Government CMV Mid Length 1-7 Twist 1/2x28 A2 Flash Hider 12.7in HG

Aero Precision M4E1-E Complete Upper 14.5in 5.56 M4 Carbine Barrel EM-12 Handguard Gen 2 Cerakote Flat Dark Earth

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 20in 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized