Geissele Automatics Large Pin Super Semi-Automatic SSA Two Stage AR-15 Trigger .170"
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Overview
The Geissele Automatics Large Pin Super Semi-Automatic SSA Two Stage Trigger is designed for the AR-15 and AR-10 platforms, featuring a curved trigger bow that provides a comfortable and ergonomic feel. This two-stage trigger allows for a precise first stage pull, which is followed by a clean break in the second stage, enhancing accuracy and control during firing. This trigger is commonly found in builds utilizing a carbine gas system chambered in 5.56 NATO, making it a popular choice for those seeking reliable performance in a variety of shooting applications.
Specifications
Geissele Automatics Large Pin Super Semi-Automatic SSA Two Stage AR-15 Trigger .170"
Available Merchants(6)
Prices checked
Stock Alert
September 2026 on GunPartPicker
Geissele Automatics Large Pin Super Semi-Automatic SSA Two Stage AR-15 Trigger .170" ranked #114 of the 228 triggers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #162 of the 509 triggers builders have added. Builds with this trigger are mostly chambered in 5.56 NATO (67%, then .223 Wylde 17%), split between carbine-length (50%) and mid-length (25%) gas systems, and nearly all AR-15.
It was hard to find in September 2026, in stock on only 12 of the 22 days we checked, and today none of the 6 retailers we track has it in stock right now. It dipped to $249.82 at GritR Sports for a stretch in September 2026, under its usual $260.99 to $261.67, so sales do come around. Listed prices start at $249.82 at GritR Sports 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
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B5 Systems SOPMOD Government, Mil Spec, Coyote - SOP1352
Bravo Company Manufacturing BFH Carbine AR-15 Upper Receiver Group - MCMR-10 Rail - 11.5"
Geissele Automatics AR-15 Premium Buffer Tube Ddc
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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