| Perks it carries | 1 | 1 | 2 | 2 |
| Heavy Hitter | +8% damage | +12% damage | +16% damage | +20% damage |
| Extended Clip | +25% magazine | +40% magazine | +55% magazine | +70% magazine |
| Fast Reload | 15% faster reload | 22% faster reload | 30% faster reload | 35% faster reload |
| Hair Trigger | 10% faster fire rate | 15% faster fire rate | 20% faster fire rate | 25% faster fire rate |
| Headhunter | — | +35% headshot damage | +45% headshot damage | +55% headshot damage |
| Executioner | — | +30% damage to enemies under 30% health | +40% damage to enemies under 30% health | +50% damage to enemies under 30% health |
| Incendiary | — | hits burn for 12% of their damage a second, 3 s | hits burn for 15% of their damage a second, 3 s | hits burn for 20% of their damage a second, 3 s |
| Frostbite | — | hits chill and slow; 5 chills freeze for 2.0 s | hits chill and slow; 5 chills freeze for 2.75 s | hits chill and slow; 5 chills freeze for 3.5 s |
| Arc | — | every 3rd hit arcs to nearby enemies for 30% of it | every 3rd hit arcs to nearby enemies for 45% of it | every 3rd hit arcs to nearby enemies for 60% of it |
| Corrosive | — | hits melt for 4% of their damage a second, stacking; kills spill acid | hits melt for 5% of their damage a second, stacking; kills spill acid | hits melt for 6% of their damage a second, stacking; kills spill acid |
| Concussive | hits knock enemies back about 1.0 m | hits knock enemies back about 1.4 m | hits knock enemies back about 1.8 m | hits knock enemies back about 2.2 m |
| Explosive Rounds | — | — | — | every 4th hit explodes for 40% of its damage |
| Masterworkcrafted only | levelling it up takes 25% fewer materials | levelling it up takes 40% fewer materials | levelling it up takes 50% fewer materials | levelling it up takes 50% fewer materials |
| Steadfastcrafted only | +5% max health while held | +7% max health while held | +10% max health while held | +10% max health while held |
| Wardedcrafted only | 4% less damage taken while held | 6% less damage taken while held | 8% less damage taken while held | 8% less damage taken while held |
| Fleetfootcrafted only | +4% move speed while held | +6% move speed while held | +8% move speed while held | +8% move speed while held |
| Scholar's Markcrafted only | +4% XP while held | +6% XP while held | +8% XP while held | +8% XP while held |
| Prospectorcrafted only | +6% gold picked up while held | +10% gold picked up while held | +14% gold picked up while held | +14% gold picked up while held |