here are some i recommend:
Buzz Bee Blasters (BBB's)
SHOT GUNS etc.
Step 1: Assign Positions
Now what you should do is assign everyone to a different position in the team
here are some examples
Sniper - they hide in a tree or in a high place for maximum accuracy. Usually carries a Recon, Longshot or Longstrike
Spy - spies on the enemy so that they don't arrive without you knowing and give a sudden ambush . They take any single shot gun
Ammo collector - Collects Ammo supplies for the team. Uses a Maverick, Tek 6, etc.
Machine Gunner - Goes out and ambushes the opponent. uses any fast firing gun; Raider, Alpha Troopa, Stampede, Barricade, etc
Defence - stays at base and usually protects the main gunners whilst they're reloading. uses a Vulcan, Stampede or any big gun with lots of ammo. usually fully or semi-auto
Step 2: Ambush
Or you can just sneak up on them until you close enough and then charge. this works well to. use a good gun though or you'll be shot, before you shoot them.
Step 3: Defence
Make your base so that there are some blockages around it, that will give you cover. set up your defensive guns behind these barriers, so that when the enemy comes, your ready. a good tactic is to wait for the enemy whilst your behind some cover and then shoot at them as they will have no-where to hide/take cover.
Step 4: Sniping
for a sniper, set yourself up where the enemy wont see you, but they are likely to walk past. Then when they do come shoot, and if your good and you judge the shot right, you should hit them. try and get in a tree or something similar, so that you are above the enemy. this gives you better accuracy. just don't fall out of the tree! double shot can be used for sniping.
Step 5: Spies
The spy on the team looks out and warns his team if an ambush is coming and of the enemy's whereabouts. He usually can carry binoculars and a single shot pistol. also can be an ammo collector
Step 6: Ammo Collector
this person is assigned to (obviously) collect ammo. they should carry any gun with more than 5 shots but less than 10, so the spectre, maverick, tek 6 and tek 10 are all good. They can also be a spy, as this job doesn't involve that much.
Step 7: The End
find out which gun is best for you and use it as this will increase your accuracy and your ability to use that gun.
hope this helped you to win your next battle ;-)