This 16″ M4 contour profile barrel is made of 4150 chrome moly vanadium steel with a parkerized finish and a 1:10 twist rate.
The barrel is chambered in 9mm.
- 16″ M4 Contour Barrel
- 4150 Chrome Moly Vanadium Steel
- Parkerized Finish
- 1:10 Twist
- 9mm Caliber
- 1/2×36 thread