Geissele SUPER DUTY MOD1 AR-15 Upper 5.56 NATO 13.9″

Manufactured with confidence and without compromise, the Geissele SUPER DUTY MOD1 complete upper brings next-generation engineering to the AR-15 platform. It is built to deliver consistent performance, accuracy, and reliability across field and range applications. The assembly ships as a ready-to-install complete upper, intended for users who require durable, serviceable components in a modern configuration.

Key Specifications

• The manufacturer is Geissele Automatics.
• The model is SUPER DUTY MOD1.
• The caliber is .223 REM/5.56 NATO.
• The barrel length is 13.9" Pinned (16" OAL).
• The finish is Anodized.
• The color is Desert Dirt Color.
• The upper features a M-LOK interface.
• The fit is AR-15.
• The contour is listed as Geissele.
• The style is Complete.

Engineered for duty-level reliability and precision-oriented use, the Super Duty MOD1 complete upper combines a pinned 13.9" barrel and Geissele design features into a ready-to-install package. Its anodized Desert Dirt finish and M-LOK interface provide a practical, serviceable solution for shooters seeking a robust AR-15 upper for range, competition, or utility-focused applications.