Rosco Manufacturing

This Rosco 10.5" M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build. The Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters...

The K9 11.5 offers a proprietary patrol length gas system that is smoother than carbine length, more reliable than mid-length. Features an optimized gas port to run reliably suppressed and/or...

This Rosco 12.5" M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build. The Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters...

The K9 13.95 features a mid-length gas system with an optimized gas port to run reliably suppressed and/or unsuppressed. The K9 continuous taper is the most effective profile to dissipate heat from...

This Rosco 16" 300 Blackout (300 BLK) Barrel is perfectly suited for precision carbine shooters that plan on running only supersonic ammo, or are building a well-balanced hunting platform.Features...

The 14.5" M4 5.56 NATO Bloodline Barrel (Mid-Length). This 14.5" M4 5.56 NATO Mid-Length barrel was designed around the USASOC specs for an Improved Upper Receiver Group with a little bit of the...

The 16" M4 5.56 NATO Bloodline Barrel (Mid-Length). This 16" M4 5.56 NATO Mid-Length barrel was designed around the USASOC specs for an Improved Upper Receiver Group with a little bit of the Rosco...

This 13.7" Rosco barrel is the perfect option for an evenly capable SBR/ RECCE build. It is designed to give the shooter maneuverability at close quarters yet allow them to get first round impact...

This Rosco 18" 300 Blackout (300 BLK) Barrel is perfectly suited for precision carbine shooters that plan on running only supersonic ammo, or are building a well-balanced hunting platform.Features...

This Rosco 20" .223 Wylde Barrel was made to give the precision carbine shooter the best possible option for extended range shooting within this chambering option. Whether you are trying to make a...

The Rosco Melonited Bolt Carrier Groups are designed to meet the modern-day carbine shooters requirements. They have also balanced input from their consumers and military end users in order to bring...

These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel. Their Rosco...

The Rosco Sauce Pack bundles were created after direct requests from Roscos customers to provide them with the key components needed for their carbine/pistol builds at a great combined price. The...

The Rosco Sauce Pack bundles were created after direct requests from Roscos customers to provide them with the key components needed for their carbine/pistol builds at a great combined price. The...

The Rosco Sauce Pack bundles were created after direct requests from Roscos customers to provide them with the key components needed for their carbine/pistol builds at a great combined price. The...

This Rosco 10.5" 300 Blackout barrel was designed for SBR and Pistol use in conjunction with suppressors. The 10.5" 300 Blackout Rosco barrel was made to be a direct replacement for any MK 18...

Bloodline 10.5" M4 5.56 NATO: This Rosco 10.5" M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build. ALL NFA RULES APPLY! Rosco 5.56 (NATO) barrels are...

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! Rosco 5.56 (NATO) barrels are...

14.5" M4 5.56 NATO Bloodline Barrel: This Rosco 14.5" M4 5.56 NATO Bloodline Barrel was built around the M4 platform and is designed to be the next evolutionary step in the series. This barrel is...

Rosco Manufacturing Bloodline Barrel, 9mm, 14.5", Fits Ar-9, Nitride Finish, Black Bl-145-m4-9mm-10Model: BloodlineProduct Type: BarrelFinish/Color: NitrideFit: AR RiflesCaliber: 9MM

This Rosco 16" 300 Blackout (300 BLK) barrel is perfectly suited for carbines shooters that plan on running only supersonic ammo, or are building a well-balanced hunting platform. Rosco 300 Blackout...

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...

Roscos Bloodline 16" 5.56 Heavy Barrel: This Rosco 16" 5.56 Heavy Barrel (HB) was made to cater to end users who need to run their guns hard without any remorse. The heavy contour barrel is well...

Bloodline 5.5" 9mm Barrel: This Rosco 5.5" 9mm Barrel was primarily designed for suppressed carbines/ pistols where the handguard will be ran over the rail. It will give you the flexibility of...

Bloodline 7.5" 9mm Barrel: This Rosco 7.5" 9mm Barrel was designed for Personal Defense Weapon (PDW) builds where the end user might run suppressed occasionally and have the need for extended...

This Rosco 8.2" 300 Blackout Bloodline Barrel was designed for SBR and Pistol use in conjunction with suppressors. This is the shortest that we will go to allow you the flexibility of a shorter...

High quality components and precise manufacturing makes Rosco Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide...

High quality components and precise manufacturing makes Colt Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide...

High quality components and precise manufacturing makes Colt Products ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide...

This Glock Bloodline barrel is designed to work with Glock 17 pistols, generations 1 through 4. Although this is a simple to accomplish user friendly swap, they still encourage you to consult a local...

This Glock Bloodline barrel is designed to work with Glock 17 pistols, generations 1 through 4. Although this is a simple to accomplish user friendly swap, they still encourage you to consult a local...

This Glock Bloodline barrel is designed to work with Glock 19 pistols, generations 1 through 4. Although this is a simple to accomplish user friendly swap, they still encourage you to consult a local...

This Glock Bloodline barrel is designed to work with Glock 19 pistols, generations 1 through 4. Although this is a simple to accomplish user friendly swap, they still encourage you to consult a local...

This Glock Bloodline barrel is designed to work with Glock 43 pistols. Although this is a simple to accomplish user friendly swap, they still encourage you to consult a local gunsmith should you have...

This Glock Bloodline barrel is designed to work with Glock 43 pistols. Although this is a simple to accomplish user friendly swap, they still encourage you to consult a local gunsmith should you have...

The Rosco Sauce Pack bundles were created after direct requests from Roscos customers to provide them with the key components needed for their carbine/pistol builds at a great combined price. The...

The Rosco Sauce Pack bundles were created after direct requests from Roscos customers to provide them with the key components needed for their carbine/pistol builds at a great combined price. The...

The K9 16" features an intermediate length gas system with an optimized gas port to run reliably suppressed and/or unsuppressed. The K9 continuous taper is the most effective profile to dissipate...

The K9 12.5 offers a proprietary patrol length gas system that is smoother than a carbine length, and more reliable than a mid-length. Because this is the optimal amount of gas, the barrel runs...

The Rosco Sauce Pack bundles were created after direct requests from Roscos customers to provide them with the key components needed for their carbine/pistol builds at a great combined price. The...