Sons of Liberty Gun Works L89 Complete Upper Half 14.5in 5.56 Cold Hammer Forged Barrel 13.75in L89 Rail P/W NOX9 Flash Hider No BCG or CH Black. 56 Cold Hammer Half Complete Upper Receiver then you've arrived at the absolute right place.. Developed using several of the most robust and dependable substances around these AR15 Upper Receivers from Sons of Liberty Gun Works offers you a product that will give a great deal of reliability. Sons of Liberty Gun Works has been generating superior quality products for a number of years and the Sons of Liberty Gun Works L89 5.56 Cold Hammer Half Complete Upper Receiver is their particular manner of showing you just how much they care. Right here at OpticsPlanet we ensure that it is our responsibility to obtain the most suitable solution for all your needs and showcasing the Sons of Liberty Gun Works L89 5.56 Cold Hammer Half Complete Upper Receiver is a thing that we're delighted to offer. Specifications for Sons of Liberty Gun Works L89 5.56 Cold Hammer Half Complete Upper Receiver: Manufacturer: Sons of Liberty Gun Works Caliber: 5.56mm Barrel Length: 14.5 in Muzzle Device: P/W NOX9 Color: Black Handguard Length: 13.75 in Bolt Carrier Group Included: No Charging Handle Included: No Magazine Included: No Last Chance: Yes Features of Sons of Liberty Gun Works L89 5.56 Cold Hammer Half Complete Upper Receiver Barrel: Cold Hammer Forged (CHF) 5.56 Handguard: M4L89 DriveLock Rail Note: The 13.75in rail provides a flush ''no-gap'' look with the 14.5in barrel when using the HUXWRX muzzle device Package Contents: Sons of Liberty Gun Works L89 5.56 Cold Hammer Half Complete Upper Receiver Sons of Liberty Gun Works M4L89UPPER-14.5-CHF-556: L89 Complete Upper Half 14.5in 5.56 Cold Hammer Forged Barrel 13.75in L89 Rail P/W NOX9 Flash Hider No BCG or CH Black