The FosTech Stealth Raptor rifle in 5.56mm and Tungsten with a 16-inch Mach 1 handguard (FosTech part no. ST-RPR-TU5DH2-S11E2) is the long-rail version of this lightweight AR-15. FosTech builds it on Stealth magnesium-aluminum alloy receivers and a 16-inch Faxon Gunner profile barrel, then adds the Echo AR II trigger, a Tomahawk stock and a Sabre comfort grip. One 30-round magazine and a plastic carry case are included. FosTech lists the platform at roughly 5.13 pounds depending on the build, which suits shooters who carry the rifle more than they shoot it from a bench.

Key Specifications

• The chambering is 5.56mm, listed by FosTech as the 223/5.56 option.
• The handguard is the 16-inch Mach 1 lightweight rail, three inches longer than the Mach 2 on the 13-inch version.
• The barrel is a 16-inch Faxon Gunner profile.
• The trigger is the FosTech Echo AR II.
• One 30-round magazine is included.
• The finish is Tungsten, with billet magnesium-aluminum alloy receivers underneath.
• FosTech lists the platform at about 5.13 pounds, depending on configuration.

Frequently Asked Questions

How big is the magazine that comes with it? One 30-round magazine is included, along with a plastic carry case.

Is this the Mach 1 or Mach 2 handguard? This rifle has the 16-inch Mach 1. The 13-inch Mach 2 is a different version of the Raptor.

Which trigger does it use? The FosTech Echo AR II.

Buy the FosTech Stealth Raptor Rifle, 5.56mm, 16-Inch Mach 1, Tungsten

A long lightweight rail and a magnesium-aluminum receiver set make this a carbine built around low weight. Order it from our Lubbock, Texas gun shop for insured shipping to your FFL, and see our other AR rifles too.