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Colt
Overview
The Colt AR15A4 Takedown Pin is a stainless steel component designed to secure the upper and lower receivers of your AR-15 platform, allowing for easy disassembly for maintenance and cleaning. This pin type is essential for builders looking for a reliable and durable solution to keep their rifle's components aligned and secure during operation. You'll often find this takedown pin in builds that utilize a mid-length gas system chambered in 5.56 NATO, making it a practical choice for a variety of configurations.
Prices checked
Builders on GunPartPicker first added the Colt AR15A4 Takedown Pin to a build in March 2026.
Today 4 of the 5 retailers we track have it in stock. Buying today, the lowest price is $31.99 at Optics Planet.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every takedown pin by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Takedown Pin Guide →The part most often added in each category by the builds that include this one

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Builds in the community that include the Colt Ar15a4 Takedown Pin
| Build | Parts | Total |
|---|---|---|
![]() | 28 | $4065.63 |
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