Greetings!
I've had a Mission MPF for quite some time. It is my prefered left hand blade. Notice I say left hand. That's because in a hard thrust and extraction from a target, the integral lock has a tendancy to disengage if I using the MPF in my R hand. This never happens when I use the blade in my L hand. Others have noticed this problem as well.
Now, obviously, this is only an issue if you intend to use the MPF as a fighter. Which, BTW, it is terrific as a L hand fighter- very fast in the hand; spins and reversals are a cinch; with a very ergonomic handle that is equally good in forward or reverse grip; it thrusts and slashes extremely well.
As an utility knife, the serrations work great at cutting rope, etc.. It holds an edge as well as my A-2 blades.
Overall, I love this knife. It was well worth the money I spent for it.
BTW if you polish all the points of contact between the blade and the inside of the scales and apply some good white grease, it opens very nicely with just a flick of the wrist.
I hope that this is helpful.
Mario
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Gaucho
Tuvo muy mala suerte...se callo en mi cuchillo.