Geissele Automatics Super Duty 5.56 NATO 14.5" - AR-15 Rifle

The Geissele Automatics Super Duty 5.56 NATO 14.5" is built for people who can't afford a malfunction. Engineered in 5.56 NATO to the same standards demanded by military and law enforcement users who stake their lives on their equipment.

A semi-automatic AR-15 rifle chambered in 5.56 NATO, the Geissele Automatics Super Duty 5.56 NATO 14.5" combines mid-length direct impingement operation with standard AR-15 architecture for straightforward reliability.

Built Beyond Mil-Spec: Mil-spec is the minimum acceptable standard; this 5.56 NATO AR-15 rifle exceeds it throughout. Components are selected for the tightest tolerances and best available materials, not the lowest cost.

Consistent Performance Under Pressure: Reliability when conditions are bad, ammunition is dirty, and the rifle is hot is what separates professional-grade platforms from recreational ones. This rifle delivers that consistency.

Match-Accurate Architecture: Cold hammer forged or precision button-rifled barrels, hand-fitted components, and proper headspace ensure accuracy that outlasts most optics mounted on it.

Professional Pedigree: The same manufacturing standards that supply military and law enforcement contracts go into every 5.56 NATO rifle that comes off this line — civilian availability, professional build quality.

• Caliber: 5.56 NATO
• Barrel Length: 14.5"
• Barrel Twist: 1:7"
• Gas System: Mid-Length Direct Impingement
• Handguard: 16" M-Lok Free-Float
• Muzzle Threading: 1/2x28
• Magazine Capacity: 30-Round
• Finish: the only way to receive a uniform color across all parts and accessories is to have them painted with a different finish such as DuraCoat or Cerakote
• Origin: Made in the USA

Drop-in compatible with mil-spec AR-15 lower receivers. Takes standard STANAG magazines chambered in 5.56 NATO and works with the full range of AR-15 accessories and aftermarket upgrades.

The upper and lower receivers are constructed from 7075 aluminum with a the only way to receive a uniform color across all parts and accessories is to have them painted with a different finish such as DuraCoat or Cerakote finish — a durable combination that resists corrosion and maintains tight tolerances over an extended service life.

Designed for users who demand mil-spec reliability and match-grade accuracy in the same package — professional duty, competition, and advanced training all fall within this platform's wheelhouse.

Geissele Automatics is synonymous with precision — their Super Duty and Freedom Rifle platforms are actively used by U.S. Special Operations units and trusted by professional users worldwide. Made in the USA.