Restore dependable pin retention with the BATTLEARMS AR15/M16 Takedown & Pivot Pin Detent Spring. This Mil-Spec replacement part is designed for AR15 and M16 platforms, helping keep your takedown and pivot pins securely in place during use and disassembly. It’s a practical choice for replacing a worn or missing spring, completing a custom build, or handling routine lower receiver maintenance.
Made by Battle Arms Development in the USA, this precision-engineered spring is manufactured from high-tension spring steel for durability under repeated use. Its drop-in design fits most Mil-Spec AR15 lowers, making it a useful spare for builders, gunsmiths, and owners who want a reliable replacement on hand. Each package includes one natural-finish detent spring, model BAD-TDPDS.
- Mil-Spec detent spring for AR15 and M16 platforms
- Compatible with pivot pin and takedown pin detents
- Made from durable, high-tension spring steel
- Designed for reliable performance through repeated use
- Drop-in replacement for most Mil-Spec AR15 lowers
- Ideal for repairs, new builds, and routine maintenance
- Natural finish with one spring included per package
- Made in the USA by Battle Arms Development
- Manufacturer model: Takedown/Pivot Pin Detent Spring
- Product SKU: BAD-TDPDS
Keep your AR15 or M16 lower receiver project moving with this dependable Battle Arms Development replacement spring—a compact, essential component for restoring proper takedown and pivot pin detent function.