Spine 400 Gold TIP Airstrike vs Spine 300 Gold TIP Hunter PRO: specs compared
Updated 05 September 2026.
9.3 GPI
Spine 300 Gold TIP Hunter PRO wins on grains per inch
On grains per inch, Spine 300 Gold TIP Hunter PRO leads: 9.3 GPI versus 7.2 GPI.
| Spec | Spine 400 Gold TIP Airstrike | Spine 300 Gold TIP Hunter PRO |
|---|---|---|
| Model | Gold Tip Airstrike | Gold Tip Hunter Pro (GTO) |
| Brand | Gold Tip | Gold Tip |
| Spine | 400 | 300 |
| Outside diameter | .254 in OD | .302 in OD |
| Weight | 7.2 GPI | 9.3 GPI |
| Grains per inch | 7.2 GPI | 9.3 GPI |
| Inside diameter | .204 in | .246 in |
| Stock nock | .204 Accu-Tough nock | Gold Tip GTO nock |
| Stock insert | Gold Tip aluminium insert (with ballistic and nock collars) | Gold Tip Accu-Lite insert (12.1 gr) |
| Point thread | 8-32 | 8-32 |
| Straightness | +/-.001 in | +/-.001 in |
| Suits | a medium draw of roughly 45 to 65 lb | a heavy draw of roughly 65 lb and up |
Questions and answers
Which has the higher grains per inch, Spine 400 Gold TIP Airstrike or Spine 300 Gold TIP Hunter PRO?
On grains per inch, Spine 300 Gold TIP Hunter PRO leads: 9.3 GPI versus 7.2 GPI.
How do Spine 400 Gold TIP Airstrike and Spine 300 Gold TIP Hunter PRO compare?
On grains per inch, Spine 300 Gold TIP Hunter PRO leads: 9.3 GPI versus 7.2 GPI.