The BATTLEARMS AR15/M16/M4 Buffer Retainer / Detent is a precision-machined component that helps keep the buffer and spring properly positioned within the receiver extension. Made for builders, armorers, and firearm owners seeking a dependable replacement, this compact part supports consistent fit and function in compatible AR-platform assemblies.
Designed to Mil-Spec standards, this buffer retainer features durable hardened-steel construction and a black, corrosion-resistant protective finish. Its precise design makes it a practical choice for new AR15 builds, routine repairs, maintenance, or a well-stocked spare parts kit. Choose BATTLEARMS quality for a small but essential component.
- Compatible with AR15, M16, and M4 platforms.
- Buffer retainer detent designed to hold the buffer and spring in position.
- Helps maintain proper alignment in the receiver extension.
- Mil-Spec design supports a precise fit and reliable function.
- Made from hardened steel for lasting durability.
- Black protective finish helps resist corrosion.
- Suitable for compatible builds, repairs, and replacement needs.
- Compact spare part for builders, armorers, and maintenance kits.
Keep a dependable AR15/M16/M4 buffer retainer on hand for your next compatible build or repair. The BATTLEARMS Buffer Retainer / Detent delivers the durable construction and precise design you need in a quality replacement component.
