


Product Description
Manufactured with confidence and without compromise, the Geissele Automatics Super Duty MOD1 Complete Upper Receiver Group delivers next-generation performance for the AR-15 platform. Built around a 14.5-inch cold hammer forged, chrome-lined barrel with a pinned-and-welded HUXWRX Flash Hider-QD muzzle device, this upper is designed for hard use while maintaining excellent accuracy and reliability. A mid-length gas system with Geisseles Super Compact Gas Block promotes smooth, consistent cycling, while the MK16 M-LOK rail offers a rigid, lightweight mounting solution. Finished in Desert Dirt Color (DDC), this complete upper includes Geisseles Airborne Charging Handle and REBCG (Reliability Enhanced Bolt Carrier Group) for a premium, ready-to-run package.
Product Highlights
- 14.5in cold hammer forged, chrome-lined 5.56 NATO barrel with 1:7 twist for duty-grade durability and performance
- Pinned & welded HUXWRX Flash Hider-QD muzzle device for a robust, compliant overall barrel length setup
- Mid-length gas system with Super Compact Gas Block for smooth, reliable function
- 13.7in MK16 M-LOK free-float handguard in Desert Dirt Color (DDC) for modern accessory mounting
- Includes Geissele REBCG (Reliability Enhanced Bolt Carrier Group) and Airborne Charging Handle
Specs
- Brand: Geissele Automatics
- Product Type: Complete Upper Receiver Group (AR-15 platform)
- Caliber: 5.56 NATO
- Barrel Length: 14.5 in
- Barrel Twist Rate: 1:7
- Barrel Type: Cold Hammer Forged, Chrome Lined, Pinned & Welded
- Gas System: Mid-Length with Super Compact Gas Block
- Handguard/Rail: 13.7 in MK16 M-LOK
- Finish/Color: Desert Dirt Color (DDC) anodized
- Upper Receiver Material/Finish: 7075-T6 Aluminum, Type 3 Hardcoat Anodized
- Muzzle Device: HUXWRX Flash Hider-QD (pinned & welded)
- Charging Handle: Geissele Airborne Charging Handle (included)
- Bolt Carrier Group: Geissele REBCG (Reliability Enhanced Bolt Carrier Group) (included)
- Weight: Approx. 4.8 lb
- UPC: 810081133708
- Manufacturer Part Number: 08-547S
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