PRI Douglas 5.56mm 16" Barrel - 1-7 Twist Rate

PRI Douglas 5.56mm 16" Barrel - 1-7 Twist Rate

Precision starts at the barrel. The PRI Douglas 5.56MM 16.5" Barrel is engineered for shooters who demand long-range accuracy and uncompromising performance. Crafted from premium 416 stainless steel, this barrel is built to deliver consistent results shot after shot. Whether you're building a Mark 12 Mod H clone or upgrading your current setup, this barrel offers the ideal balance of durability, precision, and style.

With a 1:7 twist rate optimized for stabilizing heavier 5.56 NATO rounds, it’s perfect for tactical applications, competitive shooting, or precision builds. Available in FDE, Black, or Stainless Steel finishes, it’s as visually striking as it is functional. From the range to the field, the PRI Douglas barrel is your foundation for elite-level shooting.

Premium 416 Stainless Steel Construction
Ensures long-lasting durability and consistent accuracy under demanding conditions.

Optimized 1:7 Twist Rate
Perfect for stabilizing heavier, longer 5.56 NATO projectiles for improved long-range performance.

MK12 Mod H Profile
Designed for precision builds and trusted by marksmen for its balance and reliability.

Threaded Muzzle (1/2x28)
Compatible with standard muzzle devices and suppressors for enhanced customization.

.750 Gas Block Size
Supports a wide range of low-profile and adjustable gas blocks for tuning your rifle’s performance.

Finish Options
Available in FDE, Black, or Stainless Steel to match your build’s aesthetic.

Specifications

• Caliber: 5.56 NATO
• Barrel Length: 16.5"
• Barrel Profile: MK12 Mod H
• Material: 416 Stainless Steel
• Twist Rate: 1:7
• Thread Pitch: 1/2x28
• Gas Block Size: .750