M4 PATROL 5.56 13.7" MIDGAS FSB

Sons of liberty gun works 4150CoMOV 1:7 MPI HPT barrel, engineered for exceptional accuracy and reliability

5.56x45mm chamber, delivering versatility and compatibility with various ammunition types

4150 CrMoV (chrome moly vanadium per MIL-B-11595E), guaranteeing robustness and durability

1/7 twist six groove, optimizing bullet stabilization for enhanced accuracy

1/2-28 threaded muzzle, providing compatibility with various muzzle devices

0.75 inches gas block Journal with appropriately sized gas port, ensuring smooth gas flow and reliable operation

25 oz, ensuring a lightweight and maneuverable rifle

QPQ corrosion-resistant finish, offering increased durability and protection against harsh elements

QPQ coated M4 feed ramp extension, ensuring flawless feeding and reliability

High pressure (-proof) tested (HPT), guaranteeing the barrel's strength and integrity

Magnetic particle inspected (MPI), verifying the barrel's flawless construction

Complete with F marked taper pinned front sight block, providing precise and reliable sight alignment

At Sons of Liberty Gun Works, we are firm believers in using only top-quality Mil-Spec or better parts. For us, there's no substitute for excellence and we strive to ensure your firearm is built right the first time, ready for hard use straight out of the box. We understand that a high performing Bolt Carrier Group and a precise, durable barrel are the heart of any Combat Grade weapon. Our dedication to perfection extends to properly tuned weapons, utilizing the correct gas system length and premium buffer system components, such as the Vltor A5 system and Sprinco Tactical Buffer Springs. At Sons of Liberty Gun Works, we proudly stand behind our products, offering a lifetime warranty as a testament to their quality and reliability. Our weapons are designed to withstand tough conditions and be deployed in harm's way, ensuring they will never let you down. The Patrol SL stands as our best value fighting rifle, equipped with a combat grade barrel, A5 buffer system, Liberty Fighting Trigger and B5 furniture. We always emphasize to our customers that it's not just about what a rifle company tells you, but what they don't tell you. At Sons of Liberty Gun Works, transparency is crucial and we proudly provide complete specifications for the M4-Patrol SL. We build our guns to endure years of hard use, leaving nothing to hide and everything to showcase in terms of performance and reliability.