Geissele Super Duty Mod 1 Complete Upper 5.56 11.5"

Geissele Super Duty Mod 1 Complete Upper Receiver

The Geissele Super Duty Mod 1 represents a refined approach to the modern rifle. This complete upper receiver assembly arrives ready to mate with your lower receiver, eliminating the guesswork of component selection.

Key Features

• Caliber: 5.56 NATO
• Barrel Length: 11.5 inches—ideal for close-quarters work and vehicle operations
• Complete Assembly: Includes barrel, bolt carrier group, charging handle, and handguard
• Geissele Engineering: Built to the exacting standards that have made Geissele a trusted name among professional shooters and serious enthusiasts
• Proven Design: The Super Duty platform has earned its reputation through real-world testing and professional use

Why Choose This Upper

A quality upper receiver is the foundation of a reliable rifle. Geissele's attention to detail—from barrel machining to gas system tuning—ensures consistent performance across a wide range of ammunition and conditions. The 11.5" barrel strikes an excellent balance between velocity and maneuverability, making this upper suitable for home defense, tactical training, or general shooting.

Ready to Build

Simply pair this upper with a compatible lower receiver and you have a complete, functional rifle. No additional gunsmithing required.