  External Recoil Reduction IV (Run-n-Gun) |
| Guerrilla Buttstock IV (Grenadier) |
| Guerrilla Buttstock IV (Stalker) |
| Guerrilla Buttstock IV |
 Ionic Barrel IV (Quartermaster) |
| Power Bore IV (Assassin) |
| Power Bore IV (Assassin) |
| Power Bore IV (EGO Precision) |
 High Capacity Magazine IV |
 Assault Scope IV (Quartermaster) |
| Commando Scope IV (EGO Precision) |
| Stabilization Sight IV (Prepared) |
| Tactical Scope IV (Run-n-Gun) |
 Bionetic Amplifier IV (Assassin) |
| Bionetic Amplifier IV (EGO Precision) |
| Fusion Conductor IV (Rolling Thunder) |
| Fusion Conductor IV (Stalker) |
| Tachyon Projector IV (EGO Precision) |
 Sledge Arm IV (Scavenger) |
| Radius Overthruster IV |
| Munitions Interchanger IV (Rolling Thunder) |
| Reserve Chamber IV (Stalker) |
 Bio-Stabilizer IV (Assassin) |
| Bio-Stabilizer IV (EGO Precision) |
| Bio-Stabilizer IV (Run-n-Gun) |
| Bio-Stabilizer IV (Scavenger) |
| Eviscerator IV (EGO Precision) |
| Eviscerator IV (EGO Precision) |
| Eviscerator IV (Run-n-Gun) |
| Strain Mitigator IV` (Assassin) |
| Strain Mitigator IV` (Cannoneer) |
| Viral Accelerator IV (Assassin) |
| Strain Expander IV (Run-n-Gun) |
| Strain Reducer III (Run-n-Gun) |
| Strain Reducer IV (Cannoneer) |
| Strain Reducer IV (Grenadier) |
| Strain Reducer IV (Run-n-Gun) |
| Strain Reducer IV |
| Strain Reloader IV (Cannoneer) |
| Strain Reloader IV (Run-n-Gun) |
| Strain Reloader IV (Stalker) |
 Close Quarters Stock IV (Prepared) |
| Recoil Dampener IV (Cannoneer) |
| Maximum Force Barrel IV (Scavenger) |
| Persistent Thruster IV (Scavenger) |
| Advanced Scope IV (Run-n-Gun) |
| Advanced Scope IV |
| Ultimate Scope IV (Rolling Thunder) |
 First Stage Booster IV (Quartermaster) |
| Tight Guidance System IV (Assassin) |
| Tight Guidance System IV (Assassin) |
| Splash Muzzle IV (Run-n-Gun) |
| Splash Muzzle IV (Run-n-Gun) |
| Splash Muzzle IV (Scavenger) |
| Splash Muzzle IV (Stalker) |
| Splash Muzzle IV |
| Active Reload System IV (Cannoneer) |
| Rapid Acquisition System IV (Stalker) |
| Rapid Acquisition System IV (Stalker) |
| Target Recovery System IV (Stalker) |
 Shot Pod IV (EGO Precision) |
| Shotgun Hip Spread IV (Assassin) |
| Shotgun Hip Spread IV (Brutal) |
| Shotgun Hip Spread IV (Cannoneer) |
| Shotgun Hip Spread IV (Scavenger) |
 Sniper Recoil Stock IV (Scavenger) |
| Ultra-Bore Extension IV (Prepared) |
| Ultra-Bore Extension IV (Rolling Thunder) |
| Ultra-Bore Extension IV (Scavenger) |
| Ultra-Bore Extension IV |
| Extended Sniper Mag IV (Cannoneer) |
| Extended Sniper Mag IV (EGO Precision) |
| Extended Sniper Mag IV (Grenadier) |
| Sharpshooter Scope IV (Run-n-Gun) |
| Telescopic Sight IV (Scavenger) |
(Cannoneer)