Product Overview
Professional-grade in 5.56 NATO and uncompromising in construction — the Geissele Automatics Super Duty 5.56 NATO 16" is built for users who demand the same reliability from their rifle that Special Operations personnel depend on daily.
Built as a semi-automatic AR-15 rifle around 5.56 NATO and a direct impingement system, the Geissele Automatics Super Duty 5.56 NATO 16" delivers a proven AR-15 experience from first round to last.
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 NATO 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 NATO
- Barrel Length: 16"
- Barrel Twist: 1:7"
- 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
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.
Type III Hardcoat Anodized over 7075-T6 construction gives this AR-15 rifle solid corrosion resistance and a durable surface that holds up across a wide range of storage and operating conditions.
A legitimate duty-grade choice for law enforcement, military, and serious civilian users. Equally capable in competitive environments and demanding professional roles.
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.
