The Altra 166 Outsert is a precision front-end weight designed for archers using Altra Arrows 166 shafts. Sold in a 12-pack, it enhances downrange accuracy and consistency with a durable, tunable construction.

• Compatibility: Fits Altra Arrows 166 shafts to ensure a secure, accurate fit on your arrows.
• Material: Machined from high-strength 7075-T6 aluminum for reliable durability in the field and range.
• Spine options: Available in four spine sizes—250, 300, 350, and 400—to match your arrow setup and tuning needs.
• Insert depth: Secure insert depth of 0.875 inches for consistent seating and performance.
• Outsert encapsulation: Encapsulates the arrow end to 0.43 inches, contributing to stable flight.
• Vibration control: Pre-installed rubber O-rings reduce vibration and improve concentricity for cleaner flight.
• Pack quantity: Comes in a 12-pack (1 dozen) for easy stocking and multiple arrow setups.
• Total weight: 50 gn total weight to subtly increase front-of-center without overpowering the arrow.
• Insert weight compatibility: Accepts micro FMS insert weights for precise tuning and balance adjustment.
• Performance benefits: Enhances downrange accuracy and precision by stabilizing flight and improving consistency across shots.

This Outsert is a practical upgrade for serious archers seeking repeatable groups at distance. With selectable spine options, a precise 0.875-inch insert depth, and vibration-damping O-rings, it offers a tunable solution that complements your Altra Arrows setup and helps you achieve tighter, more predictable results shot after shot.