Upper Parts

HUXWRX 9MM 3-Lug Mount - 1/2x28 Compatible with all 3-lug mounting systems, our 3-lug mount is easy to install, and utilizes helical grooves to almost completely prevent carbon lock.

Noveske Gen 4 precision machined billet receiver from 7075-T6 aluminum Direct blow-back operation only Hardcoat type III anodized Featuring anti-rotation interface with handguard Picatinny mil-standard 1913 top rail with Noveske Cross This...

The A3 Upper Receiver Parts Kit for AR-15 includes the ejection port cover, ejection port rod, ejection port C-clip, ejection port spring, forward assist button, forward assist spring and forward assist pin. Luth-AR, A3 Upper Receiver Parts...

MCX-SPEAR LT 16" AR CONVERSION KIT 5.56 NATO-BLACK This complete kit will convert any MIL-SPEC AR-15/M4 Lower into the top-performing MCX-SPEAR LT. Included items: Complete 16" 5.56 NATO upper assembly includes our removable 3-prong flash-hider...

These barrels are done in small batches and go through an extended QC process to ensure proper gassing and function. Introducing TRACK™ 2.0 barrels, exclusively from TRIARC Systems.  TRACK™ is a proprietary rifling known as Single Edge...

DD 12.5" 5.56MM, CARBINE, 1:7, GOV Daniel Defense's 12.5” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build.  They Cold Hammer Forge their barrels from 4150 Chrome Moly Vanadium steel, a process that...

12.5" 5.56MM, CARBINE, 1:7, GOV FSP   SPECIFICATIONS Caliber 5.56mm NATO Barrel Length 12.5" Manuf. Process Cold Hammer Forged Twist Rate 1:7 Muzzle Thread 1 ⁄ 2 × 28 TPI (Threads Per Inch) Material Chrome Moly...

Daniel Defense - 16" 5.56 Mid-Length - 1:7 - Gov Profile DD's 16” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. They Cold Hammer Forge our barrels, a process that sets us apart from other barrel...

RAIL INTERFACE SYSTEM III, RIS III 13" FSP (FDE) The Daniel Defense RIS III Rail Interface System takes the proven design of our two-piece RIS II rails—used by U.S. Special Operations Command (SOCOM) since 2006—and reduces weight while...

ERGO - M4 Forward Rail Picatinny for AR & M4 with A1/A2 Front Sight Stand-alone rail system for AR/M4 weapons with a standard A1/A2 front sight base. Allows for attachment of Picatinny rail mounted accessories forward of the front sight base...

TNTE Billet C7/C8/M16E1 Upper Receiver with M4 Ramps-Stripped - UP-BLC7-SM4  Upper receiver comes stripped without ejection port cover, forward assist or rear sight. Billet from 7075 aluminum that has been T6 and hard coat anodized...

Sons Of Liberty Gun Works NOX9 5.56 Flash Hider Xeno Mount Bronze Introducing the SOLGW Xeno NOX, a versatile muzzle device that truly excels when combined with a Xeno Adapter equipped suppressor. While the Xeno NOX performs exceptionally well as a...