Geissele Automatics

Shop genuine Geissele Automatics parts at Onyx Armaments. Trusted by elite military units worldwide, Geissele sets the standard for AR-15 triggers — including the legendary SSA and SSA-E — alongside precision charging handles, rails and mounts.

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About this range

Geissele Automatics, explained.

Machined in the USA to uncompromising tolerances, Geissele components are built for hard use where reliability is non-negotiable. Upgrade your trigger and feel the difference in every shot. £5 tracked UK delivery in 7–10 business days.

Geissele or something else? Read our trigger brands compared — Geissele, Timney, TriggerTech and Radian side by side — or the AR-15 trigger guide for single-stage versus two-stage.

Explore more: all AR-15 Parts & Accessories, AR-10 & LR-308 Parts, or check the latest New Arrivals.