INTRODUCING THE SANDMAN-K. Sharing all of the features of the Sandman-S and Sandman-L” while adding only 2.9″ to your muzzle. The K has the class leading solid weld Stellite(R) baffle core and detachable front cap” just like the rest of Dead Air’s Sandman Series. The exterior is finished in Cerakote(R) for ultimate durability. Like all of Dead Air’s products” it is backed by a lifetime warranty.