Good point, long range and jungle generally aren't used in the same sentance when it comes to shooting, unless maybe he's positioned at the top pf a ridge line and covering and open valley or something along those lines. And his designation is "Jungle Viper" so that'd kinda denote his operating area. He'd have been better off being called a "Sniper Viper" (Hey, I'm a poet and didn't know it!), that way he's not limited to one terrain.
How cool would it be for him to have come with a couple of guille suits; one for jungle/forrest (woodland), one for desert and one for ubran ops?
I might give him Resolute Zartan's sniper rifle as that one has a bit of a high-tech/futuristic style to it and he'd use this monster for those special hits.

Frank, that's always buggered me about Tunnel Rat's load out as well. His small size is correct, but real tunnel rats went in with a knife, an M-1911 and a flash light. My step-dad told me he knew a guy who was a tunnel rat and said the job sucked. You didn't want to be the short, skinny guy in the squad in Nam.

__________________
The United States will conquer Terrorism with the help of God and a few Marines.

Some people, when trying to avoid thinking about those things that cause them pain, turn to drink, or perhaps food, or drugs... I turn not to any of those... I collect action figures, turning my mind to the hunt, so that I might find a mote of peace... Over the years, I've found that alcoholism is much more socially acceptable by far.