This Shark Coast Tactical AR-15 rifle in 5.56mm (MPN 13783-1) pairs a 4150 CMV Melonite-treated 16-inch barrel with a 1/7-inch twist tuned for a wide range of 5.56 bullet weights. Shark Coast Tactical builds the rifle on a 7075 forged upper and lower with a dry-film-lubed finish, and rounds it out with a Magpul SL-K stock and Magpul MOE grip. The carbine-length gas system runs through a low-profile gas block to an A2 flash hider, and the rifle ships with a 30-round magazine. Among AR-platform rifles in the AR rifles category, this rifle favors shooters who want a fully-featured, mil-spec-pattern carbine.

Key Specifications

• Chambered in 5.56mm with a 1/7-inch twist rate.
• Features a 4150 CMV Melonite 16-inch barrel.
• Runs a carbine-length gas system with a low-profile gas block.
• Includes a 15-inch M-Lok handguard for accessory mounting.
• Threaded muzzle at 1/2-28, capped with an A2 flash hider.
• Fitted with a Magpul SL-K stock and Magpul MOE grip.
• Built on a 7075 forged upper and lower.
• Ships with a 30-round magazine.
• Includes a mil-spec lower parts kit and forward assist.

Frequently Asked Questions

What twist rate does this barrel use? A 1/7-inch twist, suited to a wide range of 5.56 bullet weights.

What handguard does this rifle use? A 15-inch free-float M-Lok handguard.

Is the muzzle threaded? Yes, at 1/2-28, capped with an A2 flash hider.

Buy the Shark Coast Tactical AR-15 5.56mm

A fully-featured, mil-spec-pattern AR-15 carbine is exactly what this rifle delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.