Rosco Manufacturing

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...

Rosco Manufacturing HSK-103-SOC-556-7-C-CL Husky 5.56 NATO 10.30" Chrome Lined Phosphate 4150 CMV Barrel10.30"1:7"Chrome Lined PhosphateHusky

Rosco Manufacturing HSK-125-SOC-556-7-SP-C Husky 5.56 NATO 12.50" Chrome Lined Phosphate 4150 CMV Barrel12.50"1:7"Chrome Lined PhosphateHusky

Rosco Manufacturing K9-115-HY-DUFFY-556-7 K9 5.56 NATO 11.50" Nitride Stainless Steel BarrelK911.50"K91:7"Nitride

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...

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...

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...

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...

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

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...

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...