The Altra 204 Outsert Titanium 300 Spine is a purpose-built outsert for Altra Arrows 204 shafts, delivering rugged durability and precise alignment for target and field archers.

• Material: Ti5 titanium machined for durable, lightweight performance
• Compatibility: Fits Altra Arrows 204 Shafts
• Secure insert depth: 0.875 inches to ensure repeatable seating
• Outsert encapsulation: Encases arrow end to 0.43 inches for a secure tip interface
• Vibration reduction: Pre-installed rubber O-rings minimize vibration and improve concentricity
• Pack size: 12-piece pack for convenient stocking and replacements
• Spine options: Available in four options — 250, 300, 350, and 400
• Weight: 56 gn outsert weight; 75 gn total weight when used with a 7075 aluminum insert
• Insert compatibility: Accepts micro FMS insert weights for precise tuning

By using Ti5 titanium, this outsert offers long-lasting durability without excessive weight. The precise 0.875-inch insert depth and the 0.43-inch encapsulation help ensure consistent seating and flight characteristics, contributing to repeatable accuracy. Pre-installed O-rings reduce vibration, supporting concentric arrow flight and tighter groupings in varying conditions. With four spine options, you can tailor arrow stiffness to your setup for optimal performance, while the ability to add micro FMS insert weights provides fine-tuning for trajectory and point weight. The 12-pack format keeps you ready for practice, hunting, or competition, minimizing downtime and keeping your rig field-ready.