USED Sons Of Liberty Gun Works Sons of Liberty M4-76 5.56x45, 10.5in Barrel, 1 Thirty Round Magazines, Black, Case Out of stock. Check back later... Price: $1,015.00 Description Details Shipping info Law Tactical Folding Brace OSS Muzzle Break Manufacturer: Sons Of Liberty Gun WorksModel: M4-76Origin: UsedCaliber: 5.56x45mm NATOCategory: Hand gunPistolGunsStock: 0 This item may be shipped to an FFL near you! The item will be held at our location until we have received a valid copy of your dealer's license.