The SCS 14mm CCW Outer Barrel Muzzle Aluminum Thread Protector is to protects the barrel or barrel adapters threads from damage, dirt, and debris when an attachment like a flash hider, suppressor, or tracer unit is not being used. It also provides a clean, finished look and can add a custom aesthetic to the firearm. Primary functions: • Protects threads: It covers and safeguards the delicate external threads on the end of the barrel, preventing them from getting damaged, cross-threaded, or filled with dirt and debris. • Ensures longevity: By keeping the threads in good condition, it ensures they remain in optimal working order for future attachments. • Aesthetics: It provides a finished and professional appearance to the muzzle, especially if the user doesn't have an attachment on the barrel. • Customization: The protectors are designed to enhance the look of the firearm. • Transport and storage: It is essential for protecting the threads during transport or when the weapon is stored without an attachment. Features: Protects outer barrel threads 10mm Length 14mm CCW (Negative) Threads CNC-Machined Aluminum Hex on the outside for easy installation and removal Provides a finished look when not utilizing other accessories ** Available in stainless steel and anodized aluminum colors.