Colt M4 Carbine .223 5.56 16.1" - AR-15 Rifle

The Colt M4 Carbine .223 5.56 16.1" is built for people who can't afford a malfunction. Engineered in 5.56 to the same standards demanded by military and law enforcement users who stake their lives on their equipment.

The Colt M4 Carbine .223 5.56 16.1" is a semi-automatic AR-15 rifle chambered in 5.56, built around direct impingement operation for reliable cycling on the AR-15 platform.

Duty-Grade Reliability: Every component is selected and tested to perform under sustained fire, adverse weather, and the kind of use that reveals flaws in lesser designs. This 5.56 platform is built for the worst case.

Precision From the Factory: Tight manufacturing tolerances and premium barrel specifications deliver consistent, sub-MOA-capable accuracy that holds up as round counts climb into the thousands.

Trusted by Professionals: This platform or its commercial equivalent is actively used by military, law enforcement, and special operations units who select their equipment based on performance, not marketing.

Lifetime Investment: Premium materials and construction mean this rifle will outlast budget alternatives by a significant margin — a firearm that genuinely improves with a proper maintenance schedule.

• Caliber: 5.56
• Barrel Length: 16.1"
• Gas System: Direct Impingement
• Handguard: Free-Float
• Muzzle Threading: 1/2x28
• Magazine Capacity: 30-Round
• Finish: Type III Hardcoat Anodized
• Origin: Made in the USA

Works with standard AR-15 lower receivers and accepts STANAG 5.56 magazines. Designed for mil-spec carbine buffer systems and compatible with the full ecosystem of AR-15 parts and accessories.

Receivers are machined from 7075 aluminum and finished with Type III Hardcoat Anodized, providing lasting corrosion and wear resistance under regular use and varied environmental conditions.

A legitimate duty-grade choice for law enforcement, military, and serious civilian users. Equally capable in competitive environments and demanding professional roles.

Colt is the original M16/M4 manufacturer — a name synonymous with the AR-15 platform for over 60 years, producing mil-spec rifles for the U.S. military and civilian markets. Made in the USA.