Sons Of Liberty Gun Works presents the M4-EXO3-16 5.56X45 NATO Build Kit with a 16" barrel for AR-15. This kit is engineered for precision and reliability, featuring a 5.56 NATO chamber and a QPQ finished barrel with a 1-7 twist rate. Ideal for range time and training, this kit enhances your AR-15's performance with components like the M16 Bolt Carrier Group and Liberty Charging Handle. Sons Of Liberty Gun Works is renowned for innovation and quality.

Key Features:
- Manufacturer: Sons Of Liberty Gun Works
- Model: M4-EXO3-16
- Caliber: 5.56X45 NATO
- Barrel Length: 16"
- What's In The Box: Includes all components except lower receiver, Liberty Charging Handle, barrel nut wrench
- Unique Features: 15" M-LOK handguard, B5 Systems SOPMOD Bravo buttstock