New 3.1" 9mm Thermal Barrel Nitride for AR-15

Product Description

• 3.1" 9mm Thermal Barrel
• Thermal Fins offer more surface area to cool down
• 1-10 twist
• Lightweight
• Melonite/Nitride
• 4150 Chrome Moly
• 1/2x28 threaded
• Works with Colt or Glock
• Made in the USA