16mm
| Universal Ti Cap | B+ |
| Lateral Cap | B+ |
| Channel Cap | B |
| V2 Channel Cap | B+ |
| Lens Cap | B |
| Bubble Cap: Periscope | C+ |
20mm
| Universal Ti Cap | B+ |
| Lateral Cap | B+ |
| Channel Cap | B |
| V2 Channel Cap | B+ |
| Lens Cap | B |
| Bubble Cap: Periscope | B |
24mm
| Lateral Cap | A+ |
| Channel Cap | B |
| V2 Channel Cap | B+ |
| V3 Channel Cap | B+ |
| Lens Cap | B |
| Bubble Cap: Periscope | A |
| Turbine Cap Gen 2 | A |
25mm
| Lateral Cap | A+ |
| Channel Cap | B |
| V2 Channel Cap | B+ |
| V3 Channel Cap | B+ |
| Lens Cap | B |
| Bubble Cap: Periscope | A |
| Turbine Cap Gen 2 | A |
28mm HALO™/Nimbus™
| Universal Ti Cap | A |
| "VROOM" Cap | A+ |
| Channel Cap (Channel lug required) | B |
| 28mm Quartz Cap | A |
28mm Bangers
| Universal Ti Cap | B- |
| "VROOM" Cap | A |
| 28mm Quartz Cap | A |
| Channel Cap | B |
| V2 Channel Cap | B+ |
| Lens Cap | B |
| Bubble Cap: Periscope | A |
30mm
| 48mm Channel Cap | B |
| V2 Channel Cap | B+ |
| Turbine Cap Gen 2 | A |