Geissele Super Duty Mod 1 Upper Receiver Group 5.56 NATO 16" – Desert Dirt Color

The Geissele Super Duty Mod 1 Upper Receiver Group delivers a complete 5.56 NATO upper assembly engineered for duty use and precision shooting. This 16-inch configuration pairs Geissele's forged upper receiver with a cold hammer-forged barrel and their MK16 M-LOK handguard, chambered in 5.56 NATO and compatible with standard mil-spec AR-15 lower receivers. The URG comes fully assembled and headspaced, ready to mate with your lower.

The upper features Geissele's Desert Dirt Color (DDC) anodized finish on the receiver and handguard. The barrel is chrome-lined with a 1:7 twist rate. The Super Duty Mod 1 configuration includes a pinned low-profile gas block, mid-length gas system, and comes with a Geissele Super Charging Handle. The forged 7075-T6 aluminum upper receiver is machined to Geissele's specifications and includes M4 feed ramps. This is a complete upper receiver group—no bolt carrier group included.

• Caliber: 5.56 NATO
• Type: Complete Upper Receiver Group (no BCG)
• Compatible Lower: Mil-spec AR-15
• Barrel Length: 16 inches
• Barrel Profile: Cold hammer-forged, chrome-lined, 1:7 twist
• Gas System: Mid-length, pinned low-profile gas block
• Handguard: Geissele MK16 M-LOK rail
• Material: 7075-T6 forged aluminum upper receiver
• Finish: Desert Dirt Color (DDC) anodized
• Includes: Super Charging Handle, assembled and headspaced upper
• Installation: Installs on mil-spec lower with standard takedown pins