AR-40 Micro .40 S&W 4" Barrel 1:16 Twist Black Nitride Finish - Made in USA

Product Description

Specifications:

• Length: 4"
• .40 S&W Caliber
• 1:16 Twist
• 5/8x24" Thread Pitch
• 4150 gun quality steel, heat treated, stress relieved.
• Black Nitride finish
• Chrome Moly Vanadium
• Made in the U.S.A.
• Fits: AR 40 SW Pistol