Easton
6.5mm Acu-Carbon spine chart and specs
The Easton 6.5mm Acu-Carbon is a carbon hunting arrow shaft offered in 5 spines from 250 to 500, weighing 7.3 to 10.0 grains per inch. Budget-friendly standard-diameter line in three straightness grades.
6.5mm Acu-Carbon spine chart
| Spine | GPI | OD | Bare @ 28″ | Bare @ 29″ | Bare @ 30″ | Build |
|---|---|---|---|---|---|---|
| 250 | 10.0 | 0.301″ | 280 gr | 290 gr | 300 gr | |
| 300 | 9.5 | 0.300″ | 266 gr | 276 gr | 285 gr | |
| 340 | 9.3 | 0.298″ | 260 gr | 270 gr | 279 gr | |
| 400 | 8.4 | 0.294″ | 235 gr | 244 gr | 252 gr | |
| 500 | 7.3 | 0.287″ | 204 gr | 212 gr | 219 gr |
Bare weights are shaft only (GPI × carbon-to-carbon length), before points, inserts, nocks and vanes. Diameters in inches.
Components and construction
Material
carbon
Straightness
Bowhunter: ±0.005" · $75.99/dz at Lancaster
Hunter Classic: ±0.003" · $89.99/dz at Lancaster
Match Grade: ±0.001" · $130.99/dz at Lancaster
Nock system
6.5mm Microlite nock pre-installed (8 gr)
Point system
6.5mm RPS insert 23 gr included, 5/16" screw-in points
Factory components
nock 8 gr, insert 23 gr
Street prices were captured at Lancaster in Sep 2026 and may have changed.