Sons of Liberty Gun Works Broadsword Upper Receiver Features The Sons of Liberty Gun Works Broadsword Upper Receiver is built around a 14.5 inch precision SPR barrel that is pinned and welded to a HUXWRX flash hider bringing the overall length to 16 inches for compliant suppressor ready configuration. The HUXWRX device is installed and compatible with HUXWRX suppressors giving shooters a direct path to quieter shooting. The Broadsword-89 rail system uses an extended barrel nut Drivelock tensioning crossbolts and a keyed upper receiver face that hugs the L89 rail for one of the most rigid two piece AR-15 interfaces available. Anti-rotation tabs and a stainless steel center index dowel keep the rail locked in place under recoil. The included 13.75 inch L89 handguard provides extensive M-LOK mounting real estate for lights optics and other accessories along the full length of the forend. This upper does not include a bolt carrier group or charging handle allowing builders to select their own preferred components. Its matte black finish protects the billet receiver from wear while keeping a clean professional appearance. Builders looking to turn an existing AR-15 lower into a match grade rifle will find the Sons of Liberty Gun Works Broadsword Upper Receiver a strong foundation available for sale at GrabAGun. Sons Of Liberty Gun Works Broadsword Upper Receiver Specifications Manufacturer: Sons Of Liberty Gun Works Model: Broadsword Upper Receiver Type: Complete Upper Caliber: .223 Wylde Barrel Length: 14.5 Pinned (16 OAL) Color: Black Finish: Matte Receiver Description: Billet Compatible Hosts: AR-15 Handguard: 13.75 L89 Rail Available At: GrabAGun