OVERVIEW:
![](https://sonsoflibertygw.com/wp-content/uploads/2023/05/SOLGW-core-values_authority-e1686593298490-1024x243.png)
![](https://sonsoflibertygw.com/wp-content/uploads/2023/06/M4-76-3.png)
The M4-76 is now discontinued and being replaced with the M4-89 series of rifles.
Gun specs:
Gas Block: .750″ Gas Block Journal with appropriately sized gas port
Thread Pitch: 1/2-28 Threaded Muzzle
Twist Rate: 1/7 Twist Six Groove
High Pressure (proof) Tested (HPT)
Magnetic Particle Inspected (MPI)
Barrel specs:
Barrel: Sons of Liberty Gun Works 4150CoMOV 1:7 MPI HPT Barrel
Barrel Steel: 4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E)
Barrel Finish: QPQ Corrosion Resistant Finish
Barrel Extension: QPQ coated M4 Feed Ramp Extension
![](https://sonsoflibertygw.com/wp-content/uploads/2023/06/Banner-M476-4.jpg)
bARREL LENGTHS
m4 line up:
![](https://sonsoflibertygw.com/wp-content/uploads/2023/05/SOLGW-core-values_credibility-e1686593744428-1024x216.png)