Plan-B Thread Protector is a precision Plan-B compatible thread protector designed to safeguard the exposed threads on your muzzle device or suppressor mount when a muzzle device isn’t installed. Made from high-strength 17-4 PH stainless steel with a durable black nitride finish, it features standard .900-24 Plan-B threads and a knurled exterior for easy hand installation and removal. This lightweight accessory helps prevent damage, debris buildup, and corrosion on your muzzle device’s threads during storage, transport, or range use.