Geissele Automatics AR-15 14.5 Super Duty Nano Complete Upper Receiver Black
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Overview
The Geissele Automatics 14.5 Super Duty Nano Complete Upper Receiver is designed for the AR-15 platform and features a 14.5-inch barrel chambered in 5.56 NATO. With a mid-length gas system and a 1:7 twist rate, this upper is optimized for reliable cycling and accuracy across a variety of ammunition types, making it a solid choice for both tactical and competitive applications. This upper receiver is commonly found in builds that prioritize a mid-length gas system alongside the 5.56 NATO caliber for a balanced shooting experience.
Specifications
Geissele Automatics AR-15 14.5 Super Duty Nano Complete Upper Receiver Black
Build history on GunPartPicker
Builders on GunPartPicker first added the Geissele Automatics AR-15 14.5 Super Duty Nano Complete Upper Receiver Black to a build in March 2026.
It was out of stock everywhere we track for all of September 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $1,132.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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