Welcome to the Blade Forums!!!!
My Cousin Dave has a M16 spearpoint...i think it is the law-enforcement version. I like it a lot. While he was staying at my place with another of his LEO buddies I had a chace to tune up all of thier knives and I got a wicked edge on that M-16. I also had no problem loosening the pivot to make it smoother, the blade did not wobble when locked. I like the Carson flipper design quite a bit.....mmmmMMMm...flippers!
Some say tantos ain't much for utility, but I find they work great. I have a customized SOG Vision that I probably souldn't use too often, but it is too beautious not to. Tantos have great penetration for starting cuts and can be used in a pencil-type grip to make precise cuts. They are harder to sharpen because of thier 2 distinct edges (talking about the americaized tanto of the M-16). I find the act of sharpening challenging and fun so i dont mind the extra care in sharpening the main edge and then the tip edge.
Enjoy your knife!!
You got a good one, I think.
Keep reading here and get addicted like us to that quality steel.....that M16 is the tip of the iceberg.