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Geissele
Overview
The Geissele Automatics Super Duty MOD1 Upper is a stripped upper receiver designed for the AR-15 platform, featuring a 13.9-inch barrel chambered in 5.56 NATO. With a twist rate of 1:7, this upper offers excellent stability for a wide range of bullet weights, making it versatile for various shooting applications. This upper is often found in builds focused on compactness and maneuverability, ideal for both tactical use and recreational shooting.
Specifications
Geissele Automatics Super Duty MOD1 Upper 5.56 13.9 P&W Barrel
Available Merchants(5)
Prices checked
Stock Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the Geissele Automatics Super Duty MOD1 Upper 5.56 13.9 P&W Barrel to a build in April 2026.
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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