Spine 400 Gold TIP Force FOC vs Spine 500 Gold TIP Hunter PRO: specs compared
Updated 05 September 2026.
7.4 GPI
Spine 400 Gold TIP Force FOC wins on grains per inch
On grains per inch, Spine 400 Gold TIP Force FOC leads: 7.4 GPI versus 7.3 GPI.
| Spec | Spine 400 Gold TIP Force FOC | Spine 500 Gold TIP Hunter PRO |
|---|---|---|
| Model | Gold Tip Force F.O.C. | Gold Tip Hunter Pro (GTO) |
| Brand | Gold Tip | Gold Tip |
| Spine | 400 | 500 |
| Outside diameter | .291 in OD | .291 in OD |
| Weight | 7.4 GPI | 7.3 GPI |
| Grains per inch | 7.4 GPI | 7.3 GPI |
| Inside diameter | .246 in | .246 in |
| Stock nock | Gold Tip Accu-Lite nock (8.3 gr) | Gold Tip GTO nock |
| Stock insert | Gold Tip.246 brass insert (100 gr), plus Accu-Lite insert (12.1 gr) | 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 lighter draw of roughly 25 to 45 lb |
Questions and answers
Which has the higher grains per inch, Spine 400 Gold TIP Force FOC or Spine 500 Gold TIP Hunter PRO?
On grains per inch, Spine 400 Gold TIP Force FOC leads: 7.4 GPI versus 7.3 GPI.
How do Spine 400 Gold TIP Force FOC and Spine 500 Gold TIP Hunter PRO compare?
On grains per inch, Spine 400 Gold TIP Force FOC leads: 7.4 GPI versus 7.3 GPI.