The Rosco Manufacturing HSK-125-SOC-556-7-SP-C Husky 5.56 NATO 12.50" Chrome Lined Phosphate 4150 CMV Barrel is built for shooters who want a compact barrel that stays consistent as the round count climbs. Its Husky profile adds just a bit of mass over Rosco’s Bloodline contour to better manage heat and minimize barrel whip, while the chrome lined chamber and bore paired with a phosphate exterior finish support long-term durability and easier maintenance.

This 12.50" 5.56 NATO barrel uses a 1:7 twist to stabilize a wide range of modern projectiles and is button rifled to deliver the accuracy Rosco barrels are known for. The robust 4150 CMV steel construction and threaded muzzle make it a solid choice for AR builders focused on reliable performance for training, range use, or general-purpose defensive setups. It reflects Rosco Manufacturing’s reputation for thoughtful barrel design and dependable craftsmanship.

Key Features:

• Manufacturer: Rosco Manufacturing
• Model: HSK-125-SOC-556-7-SP-C Husky Barrel
• Caliber: 5.56 NATO
• Barrel Length: 12.50"
• Twist Rate: 1:7
• Material: 4150 CMV Steel
• Finish: Chrome Lined Phosphate
• Threaded Barrel: Yes