Geissele Automatics AR-15 11.5 Super Duty Stripped Upper Receiver Black
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Overview
The Geissele Automatics 11.5 Super Duty Stripped Upper Receiver is designed specifically for AR-15 builds, featuring a stripped assembly that allows builders to customize their setup. With an 11.5-inch barrel and a 1:7 twist rate, this upper is optimized for 5.56 NATO caliber ammunition, providing a balance between maneuverability and performance. Commonly found in builds utilizing a mid-length gas system, it suits a variety of applications, from tactical to competition setups.
Specifications
Geissele Automatics AR-15 11.5 Super Duty Stripped Upper Receiver Black
October 2026 on GunPartPicker
Geissele Automatics AR-15 11.5 Super Duty Stripped Upper Receiver Black ranked #124 of the 844 upper receivers builders added on GunPartPicker in October 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #21 of the 1,894 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO, split between mid-length (41%) and carbine-length (38%) gas systems, and nearly all AR-15.
It was out of stock everywhere we track for all of October 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $1,025 at Brownells 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.
Builds Featuring This Part
See all builds →Builds in the community that include the Geissele Automatics Llc Ar-15 11.5 Super Duty Stripped Upper Receiver Black
| Build | Parts | Total |
|---|---|---|
 | 11 | $5430.89 |
 | 11 | $3695.82 |
 | 37 | $6672.01 |
 | 8 | $2519.59 |
 | 11 | $1643.07 |
 | 9 | $3522.54 |
 | 33 | $3008.33 |
 | 13 | $4707.75 |
 | 19 | $3697.79 |
 | 15 | $2400.58 |
 | 13 | $7403.68 |
 | 13 | $2082.71 |
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