The Midwest Industries AR-15 Micro Gas Block is an essential component for AR-15 enthusiasts seeking optimal performance and customization. Designed with a sleek low-profile style this gas block fits seamlessly onto your rifle with a precise inside diameter of .625 inches. Constructed from durable steel it ensures reliability and longevity even under intense conditions. Perfect for enhancing your firearm's efficiency this black micro gas block offers both functionality and a streamlined appearance making it an ideal choice for shooters who value both form and function.