The Geissele Automatics Super Duty MOD1 5.56 NATO Complete Upper Receiver combines high-quality craftsmanship and performance with a 12.5” Cold Hammer Forged, chrome-lined barrel and a Nanoweapon-coated Reliability Enhanced Bolt Carrier Group. Both the barrel and Forged Stressproof Bolt® are HPT and MPI tested to ensure unmatched durability and accuracy. The precisely balanced gas system, including the bomb-proofed Super Gas Block and tuned gas port, reduces recoil while ensuring smooth cycling, even in harsh conditions. The MOD1 also features the Nanocoated HUXWRX Flash Hider-QD for compatibility with the HUXWRX FLOW series, a durable MK16 rail with stainless steel QD inserts for sling attachments, and an Airborne Charging Handle for ambidextrous, snag-free operation.
Features:
- 12.5” Cold Hammer Forged, Chrome-Lined Barrel
- Nanoweapon-Coated Bolt Carrier Group
- High-Pressure Tested & Magnetic Particle Inspected
- Super Gas Block & Optimized Gas Port
- HUXWRX Flash Hider-QD
- MK16 M-LOK Rail with Reinforced QD Inserts
- Airborne Charging Handle
- DDC Anodized Finish
Note: Geissele’s Desert Dirt Color (DDC) finish refers to a variety of shades of desert terrain designed to better break up a rifle’s outline. These colors can vary drastically even between products from the same batch and ARE NOT intended to color match. Per Geissele Automatics, the only way to receive a uniform color across all parts and accessories is to have them painted with a different finish such as DuraCoat or Cerakote.


