BoltFitFinder

Spine 400 Easton 6 5MM Bowhunter vs Spine 300 Easton 6 5MM Hunter Classic: specs compared

Updated 05 September 2026.

9.5 GPI
Spine 300 Easton 6 5MM Hunter Classic wins on grains per inch

On grains per inch, Spine 300 Easton 6 5MM Hunter Classic leads: 9.5 GPI versus 8.4 GPI.

SpecSpine 400 Easton 6 5MM BowhunterSpine 300 Easton 6 5MM Hunter Classic
ModelEaston 6.5mm BowhunterEaston 6.5mm Hunter Classic
BrandEastonEaston
Spine400300
Outside diameter.294 in OD.300 in OD
Weight8.4 GPI9.5 GPI
Grains per inch8.4 GPI9.5 GPI
Inside diameter.246 in.246 in
Stock nock6.5mm Microlite nock (8 gr)6.5mm Microlite nock (8 gr)
Stock insert6.5mm insert (23 gr, 5/16 field points)6.5mm Hunter Classic insert (23 gr, 5/16 field points)
Point thread8-328-32
Straightness+/-.005 in+/-.003 in
Suitsa medium draw of roughly 45 to 65 lba heavy draw of roughly 65 lb and up

Questions and answers

Which has the higher grains per inch, Spine 400 Easton 6 5MM Bowhunter or Spine 300 Easton 6 5MM Hunter Classic?

On grains per inch, Spine 300 Easton 6 5MM Hunter Classic leads: 9.5 GPI versus 8.4 GPI.

How do Spine 400 Easton 6 5MM Bowhunter and Spine 300 Easton 6 5MM Hunter Classic compare?

On grains per inch, Spine 300 Easton 6 5MM Hunter Classic leads: 9.5 GPI versus 8.4 GPI.

Compared here

Easton 6.5mm Bowhunter in a 400 spine: GPI, bore and nockEaston 6.5mm Hunter Classic in a 300 spine: GPI, bore and nock