.223Rem/5.56MM

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...

Bloodline 11.5″ M4 5.56 NATO: This Rosco 11.5″ M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build. ALL NFA RULES APPLY! Our Rosco 5.56 (NATO) barrels are designed to meet the modern day...

The Rosco “Sauce Pack” bundles were created after direct requests from our customers to provide them with the key components needed for their carbine/ pistol builds at a great combined price. The result is a hand-picked list of parts that...

The Rosco “Sauce Pack” bundles were created after direct requests from our customers to provide them with the key components needed for their carbine/ pistol builds at a great combined price. The result is a hand-picked list of parts that...

  This .223 Wylde chambered 20 inch barrel is machined from 416 Stainless Steel with a bead blasted finish. Our Premium Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension. Additional...

  This 5.56 chambered 12.3 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...

  This 5.56 chambered 13.7 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...

  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...

This 5.56 chambered 12.5 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 ApplyYou may use this barrel with a...

  This 5.56 chambered 11.5 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 ApplyYou may use this barrel...

  This 5.56 chambered 11.3 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...

  This .223 Wylde chambered 16-inch barrel is machined from 416R Stainless Steel with a bead blasted finish. Our Premium Black Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension. Hanson Series Barrels feature our...