Spine 350 Carbon Express Maxima Sable vs Spine 400 Carbon Express Maxima Sable: specs compared
Updated 05 September 2026.
8.4 GPI
Spine 350 Carbon Express Maxima Sable wins on grains per inch
On grains per inch, Spine 350 Carbon Express Maxima Sable leads: 8.4 GPI versus 7.5 GPI.
| Spec | Spine 350 Carbon Express Maxima Sable | Spine 400 Carbon Express Maxima Sable |
|---|---|---|
| Model | Carbon Express Maxima Sable RZ | Carbon Express Maxima Sable RZ |
| Brand | Carbon Express | Carbon Express |
| Spine | 350 | 400 |
| Outside diameter | .296 in OD | .290 in OD |
| Weight | 8.4 GPI | 7.5 GPI |
| Grains per inch | 8.4 GPI | 7.5 GPI |
| Inside diameter | .244 in | .244 in |
| Stock nock | CX Launchpad.244 precision nock (9.9 gr) | CX Launchpad.244 precision nock (9.9 gr) |
| Stock insert | CX insert (11 gr, spine-specific) | CX insert (11 gr, spine-specific) |
| Point thread | 19/64 field points | 19/64 field points |
| Straightness | +/-.002 in | +/-.002 in |
| Suits | a medium draw of roughly 45 to 65 lb | a medium draw of roughly 45 to 65 lb |
Questions and answers
Which has the higher grains per inch, Spine 350 Carbon Express Maxima Sable or Spine 400 Carbon Express Maxima Sable?
On grains per inch, Spine 350 Carbon Express Maxima Sable leads: 8.4 GPI versus 7.5 GPI.
How do Spine 350 Carbon Express Maxima Sable and Spine 400 Carbon Express Maxima Sable compare?
On grains per inch, Spine 350 Carbon Express Maxima Sable leads: 8.4 GPI versus 7.5 GPI.