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Geissele
Overview
The Geissele Automatics AR-15 Ambi Posi-Lock Safety is a well-crafted ambidextrous safety selector designed for easy manipulation from either side of the firearm. Made from aluminum and finished with hardcoat anodizing, it provides a durable and reliable interface for ensuring your firearm is safe during handling. This safety selector is commonly found in builds featuring a mid-length gas system chambered in 5.56 NATO, making it a popular choice for those looking to enhance usability without compromising on performance.
Prices checked
Geissele Automatics AR-15 Ambi Posi-Lock Safety ranked #13 of the 119 safety selectors builders added on GunPartPicker in September 2026, behind the Triggertech AR-15 Safety Black, with about 2% of all safety selectors added to builds. Up from #19 in July and August. Builds with this safety selector are mostly chambered in 5.56 NATO (78%), split between carbine-length (43%) and mid-length (43%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 7 retailers we track have it in stock. Prices barely moved in September 2026, holding around $40.49, so there haven't been real sales lately. Buying today, the lowest price is $40 at BattleHawk Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every safety by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Safety Selector Guide →The part most often added in each category by the builds that include this one
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Geissele Automatics Llc Ar-15 Ambi Posi-Lock Safety
| Build | Parts | Total |
|---|---|---|
 | 27 | $8004.74 |
 | 20 | $2067.13 |
 | 16 | $1177.26 |
 | 20 | $3981.57 |
 | 28 | $3147.54 |
 | 19 | $1629.85 |
 | 25 | $2113.81 |
 | 24 | $6455.06 |
 | 21 | $1384.09 |
 | 29 | $5255.24 |
 | 17 | $4149.79 |
1 global rating
Top reviews
Geisseles posi-lock detent gives a clear tactile and audible click that you wont second guess. The ambi sides are matched in feel which not every ambi is. Throw is short, around 45 degrees. Worth the price if you do drills where safety manipulation matters.
