Geissele Automatics Super Duty MOD1 5.56 NATO Complete Upper Receiver - 10.3" - Black
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Geissele Automatics
Overview
The Geissele Automatics Super Duty MOD1 5.56 NATO Complete Upper Receiver is a fully assembled upper designed for the AR-15 platform, featuring a compact 10.3-inch barrel optimized for maneuverability and quick handling in tight spaces. With a 1:7 twist rate, this upper is well-suited for stabilizing heavier projectiles, making it an excellent choice for a variety of shooting applications. This upper receiver commonly appears in short-barreled rifle builds, where versatility and performance in close quarters are essential.
Specifications
Geissele Automatics Super Duty MOD1 5.56 NATO Complete Upper Receiver - 10.3" - Black
Available Merchants(5)
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Build history on GunPartPicker
Builders have been adding the Geissele Automatics Super Duty MOD1 5.56 NATO Complete Upper Receiver - 10.3" - Black to their builds on GunPartPicker since March 2026. All time, it ranks #430 of the 1,574 upper receivers builders have added.
It was hard to find in August 2026, in stock on only 2 of the 22 days we checked, and today none of the 5 retailers we track has it in stock right now. It dipped to $1,046.38 at Brownells for a stretch in August 2026, well under its usual $1,325, so sales do come around. Listed prices start at $1,201.99 at KY Gun Company for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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Frequently Built With
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