Discover the precision and reliability of our high-quality hex jam nuts, specifically engineered for the secure indexing of muzzle devices. Crafted to meet the demands of firearm enthusiasts and professionals alike, these jam nuts are available in both sleek black and durable stainless steel finishes, ensuring both aesthetic appeal and robust performance. Designed for compatibility with 1/2-28 threads, they provide a perfect fit and steadfast hold, enhancing the functionality and safety of your firearm setup. Whether you're upgrading your equipment or performing routine maintenance, our hex jam nuts offer the ideal solution for achieving optimal alignment and stability. Threaded - 1/2-28 muzzle Outer diameter - 0.75 inches Magnesium phosphate coating