Shark Coast Tactical | Grey Knight AR-15 | 5.56mm | 16″

The Shark Coast Tactical Grey Knight is an AR-15 pattern rifle built around a 16″ barrel chambered in 5.56mm and supplied with a 30-round magazine. It ships with a Vortex Crossfire red dot and a Streamlight ProTac rail-mounted light, which provide usable optics and illumination out of the box; the included Vortex Crossfire is a suitable optic option under $1000 for this platform. This rifle is well suited for precision-oriented range work and competitive target shooting where a lightweight, modular AR-15 is desirable.

Product Specifications

• The manufacturer is Shark Coast Tactical.
• The model name is listed as Grey Knight AR-15.
• The caliber is 5.56mm.
• The barrel measures 16 inches.
• The handguard length is 15 inches and uses an M-LOK interface.
• The magazine capacity is 30 rounds.
• The twist rate is 1:7.
• The barrel material/finish is listed as 4150 CMV Melonite.
• The feed ramps are M4 style.
• The rifle uses a carbine gas system with a low-profile gas block.
• The muzzle is fitted for 1/2-28 threading and an A2 flash hider is listed.
• The bolt carrier group is listed as an M16 BCG.
• The upper is a T6 forged 7075 unit with T-markings, and the lower is a 7075 forged lower.
• The stock and grip are Magpul SL-K stock and Magpul MOE grip, respectively.
• The package includes a Vortex Crossfire red dot, a Streamlight ProTac Rail Mount 2 with pressure switch, and a Savior Urban Warfare 36″ FDE double rifle bag.
• The UPC is 810105518160.

This Grey Knight AR-15 is built with mil-spec components and a focus on immediate out-of-the-box utility—complete with a red dot optic and a rail-mounted light. The combination of a 16″ 1:7 barrel, M-LOK handguard, and familiar Magpul ergonomics makes it an adaptable platform for range-focused shooting and competition stages that favor modular, light-handling rifles. Its included accessories reduce the need for immediate add-ons while preserving upgrade paths for optics, triggers, and accessories as the user’s needs evolve.