The Geissele Automatics Super Duty MOD1 Complete Upper Receiver in 5.56 NATO is a premium, combat-proven solution designed for reliability, durability, and high performance in demanding environments. Featuring a 14.5" cold hammer forged barrel that is pinned and welded to achieve a legal 16" overall length, this upper is purpose-built for hard use with top-tier components throughout. Finished in a rugged black anodizing, it is fully compatible with any AR-15 lower receiver and includes Geissele's renowned Nanoweapon-coated Reliability Enhanced Bolt Carrier Group (REBCG) for maximum operational longevity.
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At the heart of this upper is Geissele’s 14.5" Cold Hammer Forged barrel, engineered for superior barrel life and consistent accuracy. The muzzle features a pinned and welded HuxWrx Flash Hider-QD, allowing rapid attachment of compatible suppressors while maintaining compliance. The upper also includes Geissele’s Airborne Charging Handle, designed for enhanced ergonomics and ambidextrous operation, as well as a robust M-LOK free-floating handguard that offers superior rigidity and modularity for accessory mounting.
Additionally, the included Reliability Enhanced BCG features advanced coatings and design elements that reduce friction, increase wear resistance, and enhance overall performance under harsh conditions. Whether you're outfitting a duty rifle, competition build, or defensive setup, the MOD1 upper provides cutting-edge reliability with elite-level build quality.
Bolt Carrier Group: Reliability Enhanced BCG with Nanoweapon Coating
Receiver Type: Complete Upper
Finish: Anodized Black
Fit: AR-15 Platform
Overall Length: 16" (with pinned/welded device)
Intended Use: Duty, Tactical, Precision, or Home Defense Applications
More Information
Barrel Length
14.5
Caliber
5.56
Condition
New in Box
Finish Per Color
Black
Manufacturer
Geissele Automatics
Manufacturer Part Number
08-547B
Model
Super Duty MOD1 Complete Upper
Type
Uppers
UPC
810081133692
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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