SOLGW M4-EXO3 M-LOK Rifle 13.7″ Pinned & Welded | Sons Of Liberty Gunworks

MAP: $1,615.00
MSRP: $1,700.00

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EXO3 Rail System
Liberty Fighting Trigger
B5 Systems Furniture
QD End Plate
SOLGW Charging Handle

Ships with M-LOK Rail Section and M-LOK QD Socket


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 such as our Liberty Fighting Trigger and Sprinco Tactical Buffer Springs. 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.

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

The M4-EXO3 is our newest entry level carbine packed with great features.  The Sons of Liberty EXO3 MLOK rail is the best on the market at its price point, it looks great and locks up rock solid.  Built with the same high quality components that have given us our reputation for guns that never stop running, you can’t beat it at this price.

Sons of Liberty Gun Works Bolt Carrier Group HPT/MPI Check out the specs here:

Barrel: Sons of Liberty Gun Works 13.7″ 4150CoMOV 1:7 MPI HPT Barrel
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
Weight: 27 Ounces
Barrel Finish: QPQ Corrosion Resistant Finish
Barrel Extension: QPQ coated M4 Feed Ramp Extension
High Pressure (proof) Tested (HPT)
Magnetic Particle Inspected (MPI)

Lower Receiver: Sons of Liberty Gun Works Forged Lower Receiver
Material: Made from Mil-Spec 7075-T6 aluminum forgings
Finish: Anodized to Mil-Spec MIL-A-8625F, Type III, Class 2, Hard Anodic Coating, Flat Black Dye, Non-Reflective, NiAc Seal
Contour is fully machined leaving no flash marks from the forging.
Hidden lowers are cut with M16 auto pocket.

Buffer System: Mil-Spec Buffer System
Receiver Extension: 6 Position Mil-Spec Receiver Extension Tube made from 7075-T6 Aluminum, Dry Film Lubed with rolled threads per spec.
Buffer: H Buffer
Buffer Spring: Sprinco Blue Rifle Length Spring
Receiver end plate: QD Mil-Spec with properly staked Castle Nut

Fire Control Group:Sons of Liberty Gun Works Liberty Fighting Trigger (LFT) Mil Spec components with solid reset and consistent 5.5lb pull.

Safety Selector:
Sons of Liberty Gun Works Selector

Grip: B5 Systems P23 Grip – Black

Stock: B5 Systems Bravo Stock – Black

Upper Receiver:

Material: Made from Mil-Spec 7075-T6 aluminum forgings.
Finish: Anodized to Mil-Spec MIL-A-8625F, Type III, Class 2, Hard Anodic Coating, Flat Black Dye, Non-Reflective, NiAc Seal
T-Marks: Engraved T-Marks
Engraved Rebellious Stripes Flag Logo

Charging Handle: SOLGW

Gas Block: Sons of Liberty Lo-Pro Gas block made from 4140 Steel and Nitride Treated

Gas Tube: Sons of Liberty Standard Mid Length Melonited Stainless Steel

Rail System: Sons of Liberty EXO3 MLOK Rail

MLOK Slots at 11, 9,6,3&1 o’clock

Full top rail at 12 oclock

Muzzle Device: Pinned & Welded Nox

Sights: Not included

Includes: Tactical Soft Case, Three 30rd Mags, M-LOK Rail Section and Aluminum M-LOK QD Socket, SOLGW swag, and LIFETIME Warranty Certificate.

Additional information

Weight 160 oz
Dimensions 12 in


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