Easton 4mm Full Metal Jacket Shafts deliver precision flight for serious archers who demand durability and consistency. This 1-dozen pack combines a 4mm carbon core with a 7075 aluminum jacket, made in the USA, and is available in spine options 250, 300, 340, and 400.

• Diameter and Construction: 4mm micro-diameter carbon core with a 7075 alloy jacket for strength and stability.
• Straightness: Tolerance of +/-.003 inches to promote predictable flight.
• Material: Carbon core paired with a high-strength 7075 aluminum jacket for durability and consistent spine.
• Made in the USA: Quality control and manufacturing standards you can trust.
• Available Sizes: Spine options 250, 300, 340, 400 to match draw length and arrow weight needs.
• Pack Size: 12 shafts per package (1 dozen).

These Full Metal Jacket shafts are designed for archers who want repeatable performance in a variety of conditions. The combination of a carbon core with an aluminum jacket delivers a solid balance of weight, stiffness, and resilience, helping you maintain accurate groupings from shot to shot. With multiple spine options, you can tailor your setup to your bow and draw length, whether you’re practicing at the range or competing in a tournament. The 12-pack ensures you have a consistent supply for training sessions and practice rounds, reducing downtime and keeping your rig tuned.