Easton
5mm FMJ spine chart and specs
The Easton 5mm FMJ is a carbon/aluminum hunting arrow shaft offered in 5 spines from 250 to 500, weighing 9.1 to 12.0 grains per inch. The classic Full Metal Jacket 5mm hunting shaft.
5mm FMJ spine chart
| Spine | GPI | OD | Bare @ 28″ | Bare @ 29″ | Bare @ 30″ | Build |
|---|---|---|---|---|---|---|
| 250 | 11.5 | 0.273″ | 322 gr | 334 gr | 345 gr | |
| 300 | 12.0 | 0.273″ | 336 gr | 348 gr | 360 gr | |
| 340 | 11.3 | 0.269″ | 316 gr | 328 gr | 339 gr | |
| 400 | 10.2 | 0.263″ | 286 gr | 296 gr | 306 gr | |
| 500 | 9.1 | 0.256″ | 255 gr | 264 gr | 273 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/aluminum
Straightness
Standard: ±0.002" · $187.99/dz at Lancaster
Match Grade: ±0.001" · $236.99/dz at Lancaster
Nock system
5mm X nock pre-installed (9 gr)
Point system
HIT insert 16 gr included; steel half-out 75 gr, brass break-off options
Factory components
nock 9 gr, insert 16 gr
Street prices were captured at Lancaster in Sep 2026 and may have changed.