Spine 300 Gold TIP Airstrike vs Spine 400 Gold TIP Airstrike: specs compared
Updated 05 September 2026.
8.5 GPI
Spine 300 Gold TIP Airstrike wins on grains per inch
On grains per inch, Spine 300 Gold TIP Airstrike leads: 8.5 GPI versus 7.2 GPI.
| Spec | Spine 300 Gold TIP Airstrike | Spine 400 Gold TIP Airstrike |
|---|---|---|
| Model | Gold Tip Airstrike | Gold Tip Airstrike |
| Brand | Gold Tip | Gold Tip |
| Spine | 300 | 400 |
| Outside diameter | .262 in OD | .254 in OD |
| Weight | 8.5 GPI | 7.2 GPI |
| Grains per inch | 8.5 GPI | 7.2 GPI |
| Inside diameter | .204 in | .204 in |
| Stock nock | .204 Accu-Tough nock | .204 Accu-Tough nock |
| Stock insert | Gold Tip aluminium insert (with ballistic and nock collars) | Gold Tip aluminium insert (with ballistic and nock collars) |
| Point thread | 8-32 | 8-32 |
| Straightness | +/-.001 in | +/-.001 in |
| Suits | a heavy draw of roughly 65 lb and up | a medium draw of roughly 45 to 65 lb |
Questions and answers
Which has the higher grains per inch, Spine 300 Gold TIP Airstrike or Spine 400 Gold TIP Airstrike?
On grains per inch, Spine 300 Gold TIP Airstrike leads: 8.5 GPI versus 7.2 GPI.
How do Spine 300 Gold TIP Airstrike and Spine 400 Gold TIP Airstrike compare?
On grains per inch, Spine 300 Gold TIP Airstrike leads: 8.5 GPI versus 7.2 GPI.