Geissele Automatics Rifle Uppers for Sale

Geissele Automatics, LLC of the United States entered the commercial AR-15 rifle upper market in 2018 with URG-I-pattern offerings, added Super Duty uppers by early 2019, and has kept complete uppers a standing part of the Super Duty program since. In rifle uppers, Geissele is known for military-rooted builds and rugged assembly details: URG-I models center on the SOCOM-fielded SMR MK16 handguard, while Super Duty uppers add a tongue-and-groove handguard-to-receiver anti-rotation interface, a pinned low-profile gas block, and tuning around full-power 5.56 NATO-spec ammunition.