| get hot | 0.53 |
| accept suppressor | 0.30 |
| use the lock nut | 0.25 |
| drill with 6 holes | 0.25 |
| drill with chamber slot… | 0.25 |
| look good | 0.16 |
| pattern of grooves | 0.49 |
| helical groove | 0.41 |
| slight taper | 0.25 |
| a .223 wylde chamber | 0.25 |
| a 1 turn | 0.25 |
| 416 stainless steel | 0.39 |
| steel | 0.33 |