Engineered for precision, the Carbon Express Maxima Photon SD Shafts 400 are carbon arrow shafts designed for archers who build their own arrows. They’re 32 inches long with a.411-inch spine and a 7.2 GPI profile, and they accept an aluminum 18-grain half-out insert to deliver repeatable performance.

• Length: 32 inches
• Spine:.411 inch
• GPI: 7.2
• Internal Diameter:.203 inches
• Insert: 18 grain Aluminum Half-Out Insert included
• Pack Size: 1 dozen shafts
• Material: Carbon fiber construction with Photon SD design

These shafts are built to deliver consistent flight characteristics, helping you achieve flatter trajectories and tighter groupings across sessions. The 32" length suits a range of draw lengths, while the.411 spine provides predictable bending behavior under field conditions. The aluminum half-out insert adds reliable seating and weight distribution, making tuning and component compatibility straightforward for a tidy, repeatable setup.