For a current list of ammo types look at http://code.google.com/p/hedgewars/source/browse/hedgewars/uTypes.pas#146

{{{

 // Available ammo types to be used by hedgehogs

TAmmoType = (amNothing, amGrenade, amClusterBomb, amBazooka, amBee, amShotgun, amPickHammer,

amSkip, amRope, amMine, amDEagle, amDynamite, amFirePunch, amWhip,

amBaseballBat, amParachute, amAirAttack, amMineStrike, amBlowTorch,

amGirder, amTeleport, amSwitch, amMortar, amKamikaze, amCake,

amSeduction, amWatermelon, amHellishBomb, amNapalm, amDrill, amBallgun,

amRCPlane, amLowGravity, amExtraDamage, amInvulnerable, amExtraTime,

amLaserSight, amVampiric, amSniperRifle, amJetpack, amMolotov, amBirdy, amPortalGun,

amPiano, amGasBomb, amSineGun, amFlamethrower, amSMine, amHammer,

amResurrector, amDrillStrike, amSnowball, amTardis, amLandGun, amIceGun, amKnife);

}}}