Let's talk arrow spine and how it relates to accuracy. Arrow spine is one of those particular things within the scope archery that is so vitally important, yet no one really gives it a second thought.

With my Ram Arrow Spine Tester, I can test the Axis shafts’ straightness and spine consistency. The packaging on my Match Grade Axis claims a .001 straightness. The .001 spec is inches of deflection.

One important part of this is making sure each arrow has a spine of similar stiffness. Traditionally, this is checked in a very analog way by using weights and measuring deflection of the arrow ...

Here, the crew is all shooting Sirius arrows and the company offers “EZ Button” arrows that Fowler designed himself. You simply input your desired spine and arrow length and Sirius builds them for you ...