Geissele Super Duty MOD1 Complete Upper 5.56×45 12.5in

The Geissele Super Duty MOD1 is a complete AR-15 upper designed for compact, duty-oriented configurations. It is chambered for .223 REM/5.56 NATO and features a 12.5-inch barrel with a 1:7 rifling specification. Finished in Desert Dirt Color with an Anodized finish, the unit provides a flat-top interface for optics. The assembly is built to deliver consistent function and accuracy in a compact package.

Key Specifications

• Chambering is .223 REM/5.56 NATO.
• The barrel measures 12.5 inches.
• The barrel rifling is 1:7.
• The finish is Anodized.
• The color is Desert Dirt Color.
• The product type is Upper.
• The subcategory is Complete Upper Receivers.
• The sights configuration is Flat Top.
• The fitment is for AR-15.
• The model is SUPER DUTY MOD1.

Built to integrate with AR-15 lowers, the Super Duty MOD1 complete upper combines compact dimensions, proven chambering, and durable finishes to meet practical needs for training, duty, and field use. Its flat-top interface supports a wide range of optics and accessories while the Desert Dirt Color and anodized coating help resist wear. For experienced builders and shooters seeking a ready-to-install upper with consistent function and dependable construction, this Geissele assembly is a straightforward, high-quality option.