BoltFitFinder

Spine 340 Easton 6 5MM Match Grade vs Spine 400 Easton 6 5MM Match Grade: specs compared

Updated 05 September 2026.

9.3 GPI
Spine 340 Easton 6 5MM Match Grade wins on grains per inch

On grains per inch, Spine 340 Easton 6 5MM Match Grade leads: 9.3 GPI versus 8.4 GPI.

SpecSpine 340 Easton 6 5MM Match GradeSpine 400 Easton 6 5MM Match Grade
ModelEaston 6.5mm Match GradeEaston 6.5mm Match Grade
BrandEastonEaston
Spine340400
Weight9.3 GPI8.4 GPI
Grains per inch9.3 GPI8.4 GPI
Inside diameter.246 in.246 in
Stock nock6.5mm Microlite nock (8 gr)6.5mm Microlite nock (8 gr)
Stock insertEaston 6.5mm insert (25 gr)Easton 6.5mm insert (25 gr)
Point thread8-328-32
Straightness+/-.001 in+/-.001 in
Suitsa medium draw of roughly 45 to 65 lba medium draw of roughly 45 to 65 lb

Questions and answers

Which has the higher grains per inch, Spine 340 Easton 6 5MM Match Grade or Spine 400 Easton 6 5MM Match Grade?

On grains per inch, Spine 340 Easton 6 5MM Match Grade leads: 9.3 GPI versus 8.4 GPI.

How do Spine 340 Easton 6 5MM Match Grade and Spine 400 Easton 6 5MM Match Grade compare?

On grains per inch, Spine 340 Easton 6 5MM Match Grade leads: 9.3 GPI versus 8.4 GPI.

Compared here

Easton 6.5mm Match Grade in a 340 spine: GPI, bore and nockEaston 6.5mm Match Grade in a 400 spine: GPI, bore and nock