Upper Parts

Sig Sauer - MCX Deflector Assembly Forward Assist - FDE Factory replacement deflector assembly and forward assist in FDE for the SIG MCX Installation of these parts kits require disassembly of your firearm beyond a “field-stripped”...

DD RIS III 9.5" Rail in Black 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 adding versatility by...

RAIL INTERFACE SYSTEM III, RIS III 13" FSP (BLACK) 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...

DD RIS III - 12.5" Black 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 adding versatility by...

LBE Unlimited Crush Washer - 5.56 ARCW-556 LBE Unlimited crush washer for 556 NATO chambered AR.

Rearden R2S Flash Hider Black Nitride 17-4 PH Atlas and Atlas XL compatible Plan B compatible Black Nitride finish (67 HRC Surface hardness) Shims not included, if you would like to specifically time this, shims will be required. Note: your...

Sig Sauer MCX Virtus Cal-X Kit, 5.56 NATO 11.5" Barrel, Tapered Lug. Convert your MCX to the 11.5" 5.56 MCX Virtus. Complete with Virtus barrel and gas block assembly. SIG SAUER offers upper assemblies and caliber exchange kits in various barrel...

MCX Virtus 9" Caliber Exchange Kit - 300BLK Convert your MCX to a 9" .300BLK SIG SAUER MCX Virtus. Complete with Virtus barrel and gas block assembly. *Please note that this product DOES NOT include a muzzle device SIG SAUER offers upper assemblies...

DD RIS III 10.5 - Black 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 adding versatility by...

RAIL INTERFACE SYSTEM III, RIS III 9.5" (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 adding...

The revolutionary, patent-pending Drivelock design, uses a Hodge Defense-designed extrusion with three independent wedges that interface with the angular grooves in a proprietary barrel nut. This system clamps the rail onto the steel barrel nut with...

DD 5.56mm Bolt Carrier Group, Complete, F/A, HP & MPI Tested Daniel Defense 5.56 NATO (5.56x45mm & .223 Remington) / 300 Blackout (7.6x35mm) full-auto compatible, M16 Profile, complete bolt carrier group assembly. CARRIER Machined from 8620...