The ABCSportZ MHQGB 0.750" AR-15 Railed Gas Block is expertly crafted for precision and reliability. Designed to provide high-profile co-witnessing capabilities with receiver-level, same-plane sights, this gas block ensures optimal performance in the field. Constructed from durable aluminum, it fits 223/5.56 caliber rifles with 0.750" diameter barrels. The included gas roll pin guarantees easy installation, making it an essential upgrade for any AR-15 enthusiast. High-profile design for co-witnessing Made from lightweight aluminum Compatible with 0.750" diameter barrels Comes with gas roll pin Enhance your AR-15's functionality and precision with this top-quality gas block.