Description

US Palm Storm CAT 4 Rifle

Built for operators who demand uncompromised reliability in a compact platform, the US Palm Storm CAT 4 Rifle delivers a purpose-driven design that balances maneuverability with precision. Chambered in 5.56mm, this rifle represents a direct evolution of the modern sporting rifle, engineered by US Palm to meet the rigorous standards of tactical professionals and serious shooters. The US Palm Storm CAT 4 rifle is a system built for those who refuse to compromise on performance or durability.

Overview

The US Palm Storm CAT 4 Rifle is a category-defining firearm that integrates advanced materials with proven AR-15 architecture. Designed and manufactured in the United States by US Palm, this rifle features a monolithic-style upper receiver and a free-floating M-Lok handguard for superior accuracy and accessory mounting. The 5.56mm chambering ensures compatibility with widely available ammunition, while the optimized gas system reduces recoil impulse and enhances follow-up shot speed. From the forged 7075-T6 aluminum receivers to the enhanced bolt carrier group, every component of the US Palm Storm CAT 4 rifle is selected for longevity and field reliability.

Features & Specs

The US Palm Storm CAT 4 rifle is defined by its engineering precision and combat-ready features. Below are the key specifications and design elements that set this platform apart.

• Caliber: 5.56mm NATO with a 1:7 twist rate barrel, optimized for both 55-grain and 77-grain projectiles
• Handguard: Free-floating M-Lok compatible rail system with continuous top Picatinny rail for optics and accessories
• Receiver Set: Forged 7075-T6 aluminum with hardcoat anodized finish for corrosion resistance and dimensional stability
• Stock: Ambidextrous adjustable carbine stock with multiple length-of-pull positions and a positive lock-up mechanism
• Trigger: Mil-spec single-stage trigger with a clean break and consistent pull weight for repeatable accuracy
• Iron Sights: None included; flat-top receiver is optics-ready for user-selected red dot, holographic, or magnified systems

• Barrel Length: 16 inches with a mid-length gas system and A2-style flash hider
• Overall Length: 32.5 inches collapsed, 35.75 inches extended
• Weight: 6.8 pounds unloaded, providing a well-balanced feel for dynamic shooting
• Controls: Ambidextrous safety selector and bolt catch/release for left- and right-handed shooters
• Magazine: Accepts standard AR-15 pattern magazines; includes one 30-round US Palm magazine

Who It’s For

The US Palm Storm CAT 4 rifle is built for the disciplined shooter who requires a primary carbine for home defense, patrol, or competitive use. It appeals to law enforcement professionals seeking a department-issue platform, civilian owners building a go-to defensive rifle, and competitors looking for a reliable 5.56mm option in tactical matches. The rifle’s mid-length gas system and free-float handguard make it particularly suitable for shooters who value accuracy under rapid fire. If you are a serious rifleman who understands the importance of a properly gassed, tightly assembled carbine, the US Palm Storm CAT 4 rifle deserves your consideration.

Shipping & FFL

This firearm will ship to a Federal Firearms License (FFL) holder in your state of residence. After placing your order, please provide your chosen FFL dealer’s contact information during checkout. We will verify the license and ship the US Palm Storm CAT 4 rifle directly to that dealer for transfer. All federal, state, and local laws apply. It is your responsibility to ensure compliance with all applicable regulations before purchase. Standard shipping lead times apply; signature is required upon delivery. Please contact our customer service team if you have questions regarding FFL transfer procedures.

For pricing and current availability on the US Palm Storm CAT 4 rifle, please add this item to your cart or contact our sales team.

Specifications

Manufacturer Specifications

Caliber	5.56mm NATO with a 1:7 twist rate barrel, optimized for both 55-grain and 77-grain projectiles
Handguard	Free-floating M-Lok compatible rail system with continuous top Picatinny rail for optics and accessories
Receiver Set	Forged 7075-T6 aluminum with hardcoat anodized finish for corrosion resistance and dimensional stability
Stock	Ambidextrous adjustable carbine stock with multiple length-of-pull positions and a positive lock-up mechanism
Trigger	Mil-spec single-stage trigger with a clean break and consistent pull weight for repeatable accuracy
Iron Sights	None included; flat-top receiver is optics-ready for user-selected red dot, holographic, or magnified systems
SKU	ac-us-palm-storm-cat-4-rifle-0c90d7
Price	$1263.85
Stock Status	Instock

Frequently Asked Questions

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