Product Summary
The AR-STONER Castle Nut Wrench Multi Tool is a versatile, heavy-duty essential for anyone building or maintaining an AR-15. Constructed from durable 4140 steel with a manganese phosphate finish, this tool is designed to withstand rigorous use while providing excellent performance. It features an open-style castle nut wrench compatible with all tube styles, along with flats for .750″ flash hiders and an A2 buffer tube. Additionally, it includes a 1/2″ breaker bar, 3/16″ and 3/8″ Allen wrenches, and a built-in bottle opener. This multi-tool offers a high-quality, cost-effective solution for various assembly tasks and accessories.
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