Geissele Automatics Super Duty MOD1 5.56 NATO Complete Upper Receiver - 10.3" - Black
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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)
Prices checked
Stock Alert
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 #385 of the 1,873 upper receivers builders have added.
It was out of stock everywhere we track for all of September 2026, and today none of the 5 retailers we track has it in stock right now. 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 37 retailers
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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