Geissele Super Duty Mod1 5.56 NATO 14.5″ Pinned & Welded
Specs at a glance
About this product
The Geissele Automatics Super Duty Mod1 is a semi-automatic AR-pattern rifle chambered for 5.56 NATO with a 14.50-inch cold hammer forged, chrome-lined barrel. It is fitted with a HUXWRX Flash Hider-QD muzzle device that is pinned and welded and ships with a 13.5-inch MK16 Super Modular Rail. Key components include the SSA-E X two-stage Lightning Bow trigger, a Reliability Enhanced Bolt Carrier Group with a Stressproof bolt, and a B5 Systems Enhanced Sopmod stock. The rifle is configured for durability, repeatable performance, and modularity for range, duty, or precision-oriented applications.
Key Specifications
- Chambered in 5.56 NATO.
- The barrel measures 14.50 inches.
- The rifling twist rate is 1:7.
- The barrel is Cold Hammer Forged, Chrome Lined, and Manganese Phosphate coated.
- Equipped with a HUXWRX Flash Hider-QD that is pinned and welded.
- Features a 13.5-inch MK16 Super Modular Rail with press-fit QD stainless inserts.
- Includes the SSA-E X two-stage Lightning Bow trigger.
- Utilizes a Reliability Enhanced Bolt Carrier Group with a Stressproof bolt.
- Fitted with a B5 Systems Enhanced Sopmod stock and ambidextrous controls.
- The action is Semi-Auto with a stated capacity of 30+1.
Purpose-built for shooters who prioritize reliability, accuracy, and hard-use durability, the Super Duty Mod1 combines Geissele’s proven components—precision barrel work, a two-stage trigger, and an enhanced BCG—with operator-grade ergonomics and modularity. Its pinned-and-welded muzzle configuration and robust rail system make it a ready platform for serious range, duty, or precision-oriented builds.
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