Geissele Automatics | SUPER DUTY MOD1 | 5.56 | 12.5″

The Geissele Super Duty MOD1 is a complete AR-15 upper designed for short-barrel carbine applications. It is configured with a 12.5″ barrel and a 1:7 twist rate and features an anodized Desert Dirt Color finish. The upper is chambered for .223 REM/5.56 NATO and uses a flat-top receiver for optic mounting. Typical applications include short-barrel tactical carbine builds and competition or precision carbine use.

Product Specifications

• The manufacturer is Geissele Automatics.
• The model is SUPER DUTY MOD1.
• The caliber/cartridge is .223 REM/5.56 NATO.
• The barrel length is 12.5″.
• The barrel type/twist is listed as 1:7.
• The product type is Upper.
• The subcategory is Complete Upper Receivers.
• The receiver top is a Flat Top for optics and accessories.
• The fit is specified as AR-15.
• The finish is Anodized.
• The color is Desert Dirt Color.
• The contour is listed as Geissele.
• The style is Complete.
• The UPC is 810081133951.

Built as a factory-complete upper, the Super Duty MOD1 provides a compact, well-specified platform for shooters who want short-barrel handling without sacrificing accuracy potential. Its component set and finish make it a practical choice for those assembling a short-barrel carbine for field or competitive use.