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Spine 350 Carbon Express D Stroyer vs Spine 300 Carbon Express Maxima Triad: specs compared

Updated 05 September 2026.

10.9 GPI
Spine 300 Carbon Express Maxima Triad wins on grains per inch

On grains per inch, Spine 300 Carbon Express Maxima Triad leads: 10.9 GPI versus 8.9 GPI.

SpecSpine 350 Carbon Express D StroyerSpine 300 Carbon Express Maxima Triad
ModelCarbon Express D-StroyerCarbon Express Maxima Triad XSD
BrandCarbon ExpressCarbon Express
Spine350300
Outside diameter.298 in OD.251 in OD
Weight8.9 GPI10.9 GPI
Grains per inch8.9 GPI10.9 GPI
Inside diameter.244 in.166 in
Stock nockCX Launchpad.244 precision nock (9.9 gr)micro (.166) nock
Stock insertCX insert (11 gr, spine-specific)Carbon Express In-Out insert (97 gr), spine-specific
Point thread19/64 field points8-32
Straightness+/-.003 in+/-.002 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 350 Carbon Express D Stroyer or Spine 300 Carbon Express Maxima Triad?

On grains per inch, Spine 300 Carbon Express Maxima Triad leads: 10.9 GPI versus 8.9 GPI.

How do Spine 350 Carbon Express D Stroyer and Spine 300 Carbon Express Maxima Triad compare?

On grains per inch, Spine 300 Carbon Express Maxima Triad leads: 10.9 GPI versus 8.9 GPI.

Compared here

Carbon Express D-Stroyer in a 350 spine: GPI, bore and nockCarbon Express Maxima Triad XSD in a 300 spine: GPI, bore and nock