Century Arms US Palm STORM CAT4 5.56 16in 30rd

The Century Arms US Palm STORM CAT4 is a modern sporting rifle platform designed for reliable performance in range and professional applications. Built with an optic-ready Picatinny upper, reinforced wear points, and ambidextrous controls, it combines user-focused ergonomics with serviceable components. Key features include a 16 in cold hammer-forged barrel, Hiperfire EDT trigger, Magpul carbine stock, and M-LOK handguards for accessory compatibility.

Key Specifications

• The action is Semi-Auto.
• The caliber is .223 REM/5.56 NATO.
• The barrel length is 16 in.
• The barrel type is Cold Hammer Forged.
• The twist rate is 1:7.
• The capacity is 30 + 1.
• The trigger is a Hiperfire EDT.
• The stock is a Magpul adjustable carbine stock.
• The handguards are M-LOK.
• The muzzle device is a US Palm Hurricane Flash Hider.

Reinforced at critical wear points and outfitted with a full-length Picatinny rail and threaded 1/2x28 muzzle, the STORM CAT4 is built to deliver consistent function and modularity. Its combination of a durable cold hammer-forged barrel, responsive Hiperfire EDT trigger, and modern ergonomics makes this rifle a practical choice for shooters seeking a serviceable, configurable AR-style platform for range use and professional roles.