Moriarti AR-40 40 SW 8" Barrel – 1:16 Twist, 4150 CMV, Black Nitride, Threaded 5/8x24

Upper Parts

AR-40 40 SW 8" Barrel, 1:16 Twist, 4150 CMV, 5/8x24 Thread, Black Nitride | Made in USA

Build your next AR-40 pistol with confidence using this 8-inch 40 SW barrel. Crafted from 4150 CMV steel, it is heat treated, stress relieved, and finished in durable black nitride for extended barrel life and corrosion resistance.

The 1:16 twist rate ensures reliable stabilization of 40 SW projectiles, making it ideal for both defensive and range use. With 5/8x24 thread pitch, it accepts a wide range of muzzle devices and suppressors.

Barrel Specifications:

• Length: 8 inches

• Caliber: 40 SW

• Twist Rate: 1:16

• Thread Pitch: 5/8x24

• Material: 4150 CMV (Chrome Moly Vanadium)

• Finish: Black Nitride

• Treatment: Heat treated and stress relieved

• Compatibility: AR-40 pistol platforms

• Origin: Made in the USA