Geissele SUPER DUTY MOD1 Complete Upper 5.56 NATO 14.5″

Manufactured with confidence and without compromise, the Geissele Automatics SUPER DUTY MOD1 complete upper brings next-generation technologies to the AR-15 platform. Chambered for .223 REM/5.56 NATO and featuring a 14.5" pinned barrel (16" overall length), this complete upper combines accuracy, durability, and modularity. The assembly includes an anodized finish in Desert Dirt Color and an M-LOK interface for accessory mounting.

Key Specifications

• The caliber is .223 REM/5.56 NATO.
• The barrel length is 14.5" Pinned (16" OAL).
• The finish is Anodized.
• The color is Desert Dirt Color.
• The handguard interface is M-LOK.
• The model is SUPER DUTY MOD1.
• The upper is designed to fit AR-15 platforms.
• The product style is Complete upper receiver assembly.
• The contour is listed as Geissele.
• The product type is Upper.

The SUPER DUTY MOD1 complete upper is built for users who demand reliable, repeatable performance in precision, competitive, or duty-oriented environments. Its combination of a pinned 14.5" barrel, M-LOK compatibility, and durable anodized finish delivers a practical, professional-level upgrade for AR-15 platforms.