Geissele SUPER DUTY MOD1 | 5.56 NATO | 14.5″ Pinned

The Geissele Automatics Super Duty MOD1 complete upper is a purpose-built AR-15 upper assembly engineered for reliable performance and repeatable accuracy. It is finished in Desert Dirt Color with an anodized surface and includes an M-LOK handguard for modular accessory mounting. Chambered for .223 Rem/5.56 NATO with a 14.5″ pinned barrel (16″ overall), this upper integrates Geissele’s approach to robust component design. Typical applications include precision range work and competitive rifle matches.

Product Specifications

• The manufacturer is Geissele Automatics.
• The model is SUPER DUTY MOD1.
• The product type is Upper.
• The subcategory is Complete Upper Receivers.
• It is designed to fit the AR-15 platform.
• The finish is Anodized.
• The handguard description is M-LOK.
• The color is Desert Dirt Color.
• The caliber/gauge is .223 REM/5.56 NATO.
• The barrel length is 14.5″ Pinned (16″ OAL).
• The cartridge is .223 REM/5.56 NATO.
• The contour is Geissele.
• The listed length is 14.5″.
• The style is Complete.
• The UPC is 810081133708.

For shooters who value a durable, modular upper that supports a variety of optics and accessory layouts, the Super Duty MOD1 combines rugged construction with practical features like M-LOK attachment points and a pinned 14.5″ barrel footprint. Its configuration suits informed users seeking a high-quality complete upper for range precision and competitive use.