I've tested your weapon. Nice concept 
I've found the following main issues:
1. The bots have no idea, what they have to do with this weapon ! (Screenshot)

2. My log-file has a size of 42MB after testing with lines like this:
Code:
ScriptLog: START MATCH
ScriptLog: Num Matches Played: 0
ScriptWarning: UTWeap_AtomRipper DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.UTWeap_AtomRipper_0 (Function AtomRipper.UTWeap_AtomRipper:PostBeginPlay:001C) Accessed None 'Instigator'
Log: AttachComponentToSocket : Could not find socket 'PowerEffectSocket' in WP_SniperRifle.Mesh.SK_WP_SniperRifle_3P_Mid attaching: ParticleSystemComponent_15
Log: AttachComponentToSocket : Could not find socket 'PowerEffectSocket' in WP_SniperRifle.Mesh.SK_WP_SniperRifle_1P attaching: ParticleSystemComponent_14
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:KillEndpointEffect:0044) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:HideEmitter:00BC) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:KillEndpointEffect:0044) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:HideEmitter:00BC) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:KillEndpointEffect:0044) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:HideEmitter:00BC) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:KillEndpointEffect:0044) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:HideEmitter:00BC) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:KillEndpointEffect:0044) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:HideEmitter:00BC) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:KillEndpointEffect:0044) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:HideEmitter:00BC) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:KillEndpointEffect:0044) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:HideEmitter:00BC) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:KillEndpointEffect:0044) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:HideEmitter:00BC) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:KillEndpointEffect:0044) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:HideEmitter:00BC) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:KillEndpointEffect:0044) Accessed None 'BeamLight'
ScriptWarning: AtomRipper_Attachment DM-INV-LavaGiantClassic2K9.TheWorld:PersistentLevel.AtomRipper_Attachment_0 (Function AtomRipper.AtomRipper_Attachment:HideEmitter:00BC) Accessed None 'BeamLight'
3. The >AtomicMushroom< is black, I can't see him on my map with black skydome.
6.Cheesy name for weapon...
Whats about >AtomicSniper< ?
Keep up the good work !
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