The AR-15 barrel nut crowafoot is designed for compatibility with GI spec barrel nuts, providing a reliable solution for achieving precise torque specifications. This tool accommodates both 1/2 inches and 3/8 inches drive sizes, ensuring versatility and ease of use during installation or maintenance. Its robust construction ensures durability and consistent performance, making it an essential accessory for firearm enthusiasts and professionals seeking accuracy and efficiency in their assembly processes. Crows feet wrench for AR15 GI specification barrel nuts Compatible with 1/2 inches and 3/8 inches drives for accurately applying the correct torque specifications to your barrel nut Structural steel fabrication