SONS OF LIBERTY GUN WORKS

At Sons of Liberty Gun Works we believe in Quality Mil-Spec or better parts. We believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out of the box. We believe a quality Bolt Carrier Group and a quality, accurate and long lasting barrel are the heart of a Combat Grade weapon. We believe in properly tuned weapons using the correct gas system length and quality buffer system components. We believe in our products and we back them up with a Lifetime Warranty. Our weapons our meant to be used hard and go in harm’s way, they won’t let you down.

All rifles are test fired twice in shop to ensure proper function.

The M4-EXO3 is the third generation of our proven EXO series fighting rifles. Our rifles are built with duty and service in mind, whether it be Law Enforcement, Hunting or home defense. Our EXO series rifles have everything you need and are built to require minimum maintenance for years. We share all our specs with you because its not about what a rifle company tells you, its about what they don’t.

Barrel: Combat V2 13.7″ 4150 CoMOV 1:7 MPI HPT Barrel, V2 Profile
Caliber: 5.56 NATO Chamber
Barrel Steel: 4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E)
Twist Rate: 1/7 Twist Six Groove
Thread Pitch: 1/2-28 Threaded Muzzle
Gas Block: .750″ Gas Block Journal with appropriately sized gas port
Barrel Finish: QPQ Corrosion Resistant Finish
Barrel Extension: QPQ coated M4 Feed Ramp Extension
High Pressure (proof) Tested (HPT) and Magnetic Particle Inspected (MPI)

Lower Receiver: Forged, Mil-Spec 7075-T6 aluminum
Finish: Black Ano
Safe, Fire, and Full Auto Pictograms.

Buffer System: Mil-Spec, 6 Position 7076-T6 Impact Extruded Buffer tube, Sprinco Blue Spring and H Buffer

Receiver end plate: Quick Detach End Plate with properly staked Mil-Spec Castle Nut

Fire Control Group: Liberty Fighting Trigger 6- 6.5lb

Safety Selector: Mil-Spec Safety Selector

Grip: B5 P23

Stock: B5 Bravo

Upper Receiver: Mil-Spec 7075-T6 aluminum, T-Mark engraved
Finish: Black Ano

Charging Handle: Liberty Charging Handle (Ambi)

Gas Block: 4140 Steel, Nitride Treated, Knurled Head Set Screws

Gas Tube: Mid Length Melonited Stainless Steel

Rail System: 13″ EXO3 Rail – included QD Sling Mount

Muzzle Device: NOX 9 Hole Flash Hider

Sights: None