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The Polonium K's primary strength lies in its durable construction. being crafted from 17-4 stainless steel and utilizing an erosion resistant baffle design the Polonium K can handle high rates of fire and long days on the rang without issue. The Polonium K uses a 6mm bore allowing the use of 6ARC and other 6mm rifle calibers. The slightly enlarged bore also helps with gas management on AR15 style rifles, keeping less gas from cycling into the action. The integrated flash hider minimizes your flash signature, making it ideal for low-light or night shooting. The Polonium K's universal 1.375×24 HUB mount rear threads offer compatibility with a variety of mounts, ensuring adaptability in various situations. You can use the included 1/2x28 direct thread or swap it out for your favorite QD mounting system.