Need a new head for my tripod?

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I have a Manfrotto tripod that works great for my Vortex Razor HD 20-60-85, but I need a new head for it.  I have looked at the pistol grip style and some of the others, but just want something that doesn't have multiple twist locks.  I want something smooth and only has one adjustment.  Help me out with any ideas?  I do a lot of hunting away from the roads, so weight is important, but not the most important.