Columbia River Knife & Tool M16-03BK, 3.55 Folding Knife w/ Frame Lock, Plain Edge, 12C27 Sandvik Steel Blade, Oxide Finish, Stainless Steel Handle M16-03BK The M16 is the most popular series that CRKT has ever made. Over the years CRKT has paid homage to the late and revered Kit Carson by keeping his legacy alive with new iterations. This is different. Introducing the M16 that's adorned in bronze titanium nitride and pushing the tactical folding knife into the realm of everyday carry.