Geissele Super Duty MOD1 Upper Receiver Group Complete 8in 300 Blackout Black
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Geissele
Overview
The Geissele Super Duty Mod1 Upper Receiver Group is a complete assembly designed specifically for the AR-15 platform, featuring an 8-inch barrel chambered in 300 Blackout. This configuration is optimized for both subsonic and supersonic ammunition, making it versatile for various shooting applications. Builders often choose this upper for compact setups that require enhanced maneuverability without sacrificing performance.
Specifications
Geissele Super Duty MOD1 Upper Receiver Group Complete 8in 300 Blackout Black
September 2026 on GunPartPicker
Geissele Super Duty MOD1 Upper Receiver Group Complete 8in 300 Blackout Black ranked #267 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #486 of the 1,706 upper receivers builders have added.
It was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $1,260 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Geissele Automatics Super 42 Braided Buffer Spring and H3 Buffer
Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C
Strike Industries Carbine Length Pistol Buffer Tube - Red
Geissele Automatics Premium Mil-Spec Buffer Tube Assembly With Super 42 H3 - Ddc
Aero Precision AR-15 Ambidextrous Bolt Release
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