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.
Sons of Liberty Gun Works Bolt Carrier Group HPT/MPI
Barrel: Combat V2 13.7″ 4150 CoMOV 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
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
Finish: Black Ano
Contour is fully machined leaving no flash marks from the forging.
Hidden lowers are cut with M16 auto pocket.
Safe, Fire, and Full Auto Pictograms.
Buffer System: Mil-Spec Buffer System
Receiver Extension: Mil-Spec 6 Position Receiver Extension Tube made from 7075-T6 Aluminum
Buffer: H Buffer
Buffer Spring: Mil-Spec Carbine Spring
Receiver end plate:Â 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 Grip
Stock: B5 Bravo Stock Black
Upper Receiver:
Material: Made from Mil-Spec 7075-T6 aluminum.
Finish: Black Ano
T-Marks: Engraved T-Marks
Charging Handle: Mil-Spec Charging Handle
Gas Tube: Mid Length Melonited Stainless Steel
Handguard: Magpul M-LOK Handguard
Muzzle Device: A2
Sights: MBUS Rear