Precision machined to meet or exceed Mil-Spec tolerances, the WMD Guns Nitromet Bolt Catch has been treated with their proprietary Nitromet coating. This special coating gives each component a tough, corrosion resistant, and increased lubricity for exceptionally smooth metal-on-metal contact. 100% Made in the U.S.A.
Features:

• Compatible with Mil-Spec lowers
• Durable Nitromet coating
• Installs like standard components
• Made in the U.S.A.

WMD Guns has established a reputation of excellence based on extensive firearms and defense industry experience, plating expertise, and gunsmithing capabilities. They are innovators in nickel boron products for the firearms industry and the sole source of the NiB-X nickel boron coating process.