The Lead & Steel LS556PEN-MID-16 5.56mm barrel is built for shooters who want a lightweight, pencil-profile AR-15 barrel without sacrificing durability or consistency. Turned from 4150 chrome moly vanadium steel and finished in a QPQ black nitride coating, it offers a balance of rigidity, corrosion resistance, and long service life. This 16" mid-length barrel features M4 feed ramps for reliable feeding and a 1:7 twist rate optimized for a wide range of 5.56x45mm NATO loads.

With its slim contour and mid-length gas system, the LS556PEN-MID-16 is well suited for building a responsive, easy-handling rifle for range use, training, or general-purpose shooting. The threaded muzzle allows you to add your preferred flash hider, brake, or suppressor-ready device, making it a flexible foundation for a custom AR build. Lead & Steel’s attention to detail and use of quality materials make this barrel a solid choice for shooters who value practical performance and dependable craftsmanship.

Key Features:

• Manufacturer: Lead & Steel
• Model: LS556PEN-MID-16
• Caliber: 5.56x45mm NATO
• Condition: New
• Barrel Length: 16"
• Threaded Barrel: 1/2"x28
• Twist: 1:7"
• Barrel Description: Pencil Profile
• Barrel Features: M4 Feed Ramps
• Barrel Type: Mid-Length Gas System
• Weight: 22.40 oz