The RetroArms Center Pin for AR15 M4 airsoft replicas is a high-quality component designed to ensure maximum reliability and ease of installation. Made from precision-machined steel, it offers exceptional strength and long-lasting durability. The screw-off ends make installation quick and easy, without the need for complex tools.

Compatible with M4 and M16 series, this center pin is the perfect solution for those looking for a durable and sturdy replacement that integrates seamlessly with their airsoft replicas, enhancing the setup's stability and reliability.