Geissele Automatics Super Duty MOD1 5.56 NATO Complete Upper Receiver - 11.5" - Black
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Overview
The Geissele Automatics Super Duty MOD1 Complete Upper Receiver is a fully assembled unit designed for the AR-15 platform, featuring an 11.5-inch barrel chambered in 5.56 NATO. This upper receiver offers a reliable and efficient solution for builders looking to create a compact yet powerful firearm. It is commonly found in builds that prioritize maneuverability and versatility, making it a popular choice for both tactical applications and personal defense.
Specifications
Geissele Automatics Super Duty MOD1 5.56 NATO Complete Upper Receiver - 11.5" - Black
Available Merchants(5)
Prices checked
Stock Alert
October 2026 on GunPartPicker
Geissele Automatics Super Duty MOD1 5.56 NATO Complete Upper Receiver - 11.5" - Black ranked #170 of the 844 upper receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #76 of the 2,005 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO and nearly all AR-15.
It was out of stock everywhere we track every time we checked in October 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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