Expo Arms Take Down Detent Spring
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Expo Arms
Overview
The Expo Arms Take Down Detent Spring is a crucial component for securing your takedown pins in an AR-15 build. Made from steel, this spring provides the necessary tension to keep the pins in place, ensuring a solid and reliable connection during use. This part is commonly found in a variety of standard builds, where maintaining a stable platform is essential for performance.
Specifications
Price and stock
Availability is good for the Expo Arms Take Down Detent Spring: it was in stock at one retailer or another nearly every day in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $0.99, so there haven't been real sales lately. Buying today, the lowest price is $0.99 at Primary Arms, which matches the best price we saw in August.
Prices checked · refreshed daily across 31 retailers
Not sure which takedown pin to pick?
We ranked every takedown pin by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Takedown Pin Guide →Frequently Built With
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