.223Rem/5.56MM

5.56mm Lo-Pro Gas Block Barrel Stainless Barrel -556–1 in 7″ twist improved polygonal rifling              With 556 Noveske Match Chamber–Extended feed...

5.56mm Lo-Pro Gas Block Barrel Stainless Barrel -556–1 in 7″ twist improved polygonal rifling              With 556 Noveske Match Chamber–Extended feed...

Ballistic Advantage 16" SPR Profile 5.56 NATO Modern Series HBAR Barrel - Mid-Length Gas Built for shooters who demand rugged reliability and consistent accuracy, the Ballistic Advantage Modern Series 16" HBAR barrel is a powerhouse upgrade for your...

Noveske is proud to manufacture premium barrels for all types of builds. This barrel ships with gas block. This barrel is designed for the Noveske gas block that is 1" long (INCLUDED). A standard front sight base is 1.9" long and WILL NOT FIT. Barrel...

  This 5.56 chambered 16 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. Our Performance Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension. Hanson...

Ballistic Advantage, Modern M4 Barrel, 556NATO, 16", 1:7 Twist Ballistic Advantage's 5.56 chambered 16 inch M4 Profile Carbine Length Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ...

Rosco 16" Government Profile .223 Wylde Purebred Bead Blasted SS Barrel - Mid-Length Gas Crafted for shooters who demand balance, accuracy, and reliability, the Rosco Manufacturing Purebred 16" .223 Wylde barrel is a standout choice for your next...

Ballistic Advantage Classic Series 10.3" 5.56NATO Barrel  At Ballistic Advantage they produce quality AR barrels that exceed the most enduring demands of their customers. All of their AR barrels surpass the competition in accuracy, precision,...

Ballistic Advantage 5.56 chambered 14.5 inch Government Profile Mid-Length Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. Ballistic Advantage, Modern...

This 5.56 chambered 10.5 inch Government Profile Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. All NFA/ATF Rules Apply. You may use this barrel with a...

16″ M4 5.56 NATO Bloodline Barrel: This Rosco 16″ M4 5.56 NATO Bloodline Barrel is the perfect addition to your next build featuring perfect balance, properly sized gas ports in order to optimize performance and reduce premature wear and...

Rosco 11.5" M4 Profile 5.56 NATO Bloodline Barrel - Carbine-Length Gas Compact, rugged, and engineered for modern tactical applications, the Rosco Bloodline 11.5" M4 barrel is the ideal foundation for your next SBR or AR pistol build. Chambered in 5.56...