The M4-EXO3 is the third generation of their proven EXO series fighting rifles. Their rifles are built with duty and service in mind, whether it be by Law enforcement, Hunting, or home defense. Their EXO series rifles have everything you need and are built to require minimum maintenance for years. We share all our specs with you because it’s not about what rifle company tells you, it’s about what they don't.
Barrel: Sons of Liberty Gun Works 16”Caliber: 5.56 NATO ChamberBarrel Steel: 4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E)Thread Pitch: 1/2-28 Threaded MuzzleGas Block: .750? Gas Block Journal with appropriately sized gas portBarrel Finish: QPQ Corrosion Resistant FinishBarrel Extension: QPQ coated M4 Feed Ramp ExtensionHigh Pressure (proof) Tested (HPT)Magnetic Particle Inspected (MPI)
