The Geissele Automatics AR-15 Maritime Bolt Catch in steel black is a precision-engineered upgrade designed for enhanced reliability and functionality in challenging environments. Crafted with durability in mind this robust bolt catch ensures smooth and consistent operation even when exposed to water mud or debris. Its sleek black finish not only adds a tactical aesthetic but also provides corrosion resistance for long-lasting performance. Ideal for AR-15 enthusiasts looking to improve their firearm's efficiency this maritime bolt catch is an essential component for both combat and recreational shooting scenarios.