- BARREL LENGTH: 16?
- CALIBER: 5.56 NATO
- TWIST RATE: 1:8
- PROFILE/CONTOUR: M4
- MATERIAL: 4150 Chrome Moly Vanadium
- FINISH: Parkerized
- GAS SYS: Carbine
- DIAMETER AT GAS PORT: .750?
- MUZZLE THREAD: 1/2-28
- TREATMENT: Non RF85
- ADDITIONAL SPECS/NOTES: Barrel is compatible with .223 Ammunition.
The 16? 5.56 M4 barrel is the perfect barrel to start your next build and add to your AM-15 collection. This barrel is made from 4150 Chrome Moly Vanadium Steel with a Parkerized finish. Featuring a carbine length gas system with a .750? gas port and a 1:8 twist, this barrel provides top accuracy and precision for your 5.56 build.