Century Arms US Palm Storm CAT4 5.56 NATO 16″ 30RD

About this product

The CENTURY ARMS US PALM STORM CAT4 is a semi-automatic AR-style rifle configured for .223 Rem / 5.56 NATO with a 16-inch cold hammer forged, threaded barrel and a 30+1 magazine capacity. It features fully ambidextrous controls and an optic-ready full-length Picatinny rail. The Mono-Loc M-LOK handguard and an adjustable Magpul carbine stock provide modularity and ergonomic adjustability for range, training, or service use.

Key Specifications

• The action is Semi-Auto.
• The caliber is .223 Rem / 5.56 NATO.
• The barrel measures 16 inches and is threaded.
• The capacity is 30 + 1 rounds.
• Controls are Ambidextrous for selector, bolt catch/release, and magazine release.
• The muzzle device is a US Palm Hurricane Flash Hider.
• The stock is a Magpul adjustable carbine stock.
• The trigger is a Hyperfire EDT.
• The handguard uses M-LOK attachment slots with a rigid seven-sided profile.
• The receiver includes a full-length Picatinny rail for optics and accessories.

Built with reinforced wear points and user-serviceable components, the STORM CAT4 emphasizes repeatable performance and accessory alignment under sustained use. Its ambidextrous controls, rigid Mono-Loc handguard, and hybrid Hurricane muzzle device support fast handling and manageable follow-up shots while the Magpul stock and ergonomic grip keep the platform comfortable across extended sessions. For shooters who prioritize a feature-rich AR platform with modern modularity and duty-minded construction, the STORM CAT4 delivers a balanced package ready for range work, training, and practical field use.