| Barrel | Bullet | Powder | Erosion Rate Per Round | Barrel Life |
|---|---|---|---|---|
| CRB 7.5T Competition 4G | Berger 109 LRHT | VV N550 | Pending | Pending |
| CRB 7.5T Competition 4G | Berger 109 LRHT | VV N550 | 0.000046" | 1630 Rounds |
| Bartlein 7.5T Heavy Varmint 5G | David Tubb 115 DTAC | VV N555 | 0.000027" | 2778 Rounds |
| Proof Research 7.5T Competition 4G | David Tubb 115 DTAC | VV N160 | 0.000037" | 2027 Rounds |
| Proof Research 7.5T Competition 4G | David Tubb 115 DTAC | H4350 | 0.000040" | 1875 Rounds |