CENTURY ARMS | US PALM STORM CAT4 | 5.56 NATO | 11.5 in

The CENTURY ARMS US PALM STORM CAT4 is a compact AR-style pistol chambered in 5.56 NATO with an 11.5-inch cold-hammer-forged barrel and an adjustable polymer pistol brace. It pairs a full-length Picatinny rail and M-LOK handguard for mounting optics and accessories. For a dedicated optic under $1,000 that complements the CAT4 for close-to-mid range work consider a Vortex Strike Eagle 1-6×24 or a Vortex Crossfire II 1-4×24 for rapid target acquisition and reliable glass.

Applications: range training and tactical competition.

Product Specifications

• The manufacturer is listed as CENTURY ARMS / Century Arms.
• The model is listed as STORM CAT4.
• The caliber is 5.56 NATO.
• The barrel length is 11.50 inches.
• The barrel type is Cold Hammer Forged.
• The barrel is described as threaded.
• The thread pattern is 1/2″ x 28.
• The muzzle device is a US Palm Hurricane Flash Hider.
• The action is Semi-Auto.
• The trigger is a Hiperfire EDT (Designated Marksman Trigger).
• The stock type is a Polymer adjustable pistol brace.
• The handguard style is M-LOK (Mono-Loc handguard system).
• The receiver features a full-length Picatinny rail.
• The capacity is listed as 30 + 1 rounds.
• The UPC is 787450951501.

The STORM CAT4 combines a compact profile with a rigid front end and ambidextrous controls for straightforward handling during dynamic drills. Its monolithic-style handguard and full-length rail make it simple to mount lights, optics, and back-up sights while the cold-hammer-forged barrel and threaded muzzle give flexibility for muzzle devices and suppressor-capable accessories. The platform is suited to disciplined range work and competition environments where a compact, accurate AR-pattern pistol is desired.