Altra AA-SI-00001 Insert and Outsert , .166, 250 Spine, Silver, 12 Pack

The insert securely fits into the arrow shaft at a depth of 0.875 inches, providing a strong foundation for optimal stability. The outsert threads directly onto the insert, encasing the arrow's leading end at 0.43 inches to deliver unmatched durability and protection. Pre-installed rubber O-rings on the insert help lock the outsert in place, minimizing vibration and improving overall concentricity for better accuracy. This setup ensures a more precise arrow configuration, leading to improved down-range performance and reliability during archery sessions. Compatible with various arrow sizes, including 250, 300, 350, and 400 spine options, making it versatile for different setups. With a total weight of 50 grains, it maintains a balanced feel without compromising on strength or speed.

Features:

• Available in a convenient 12-pack quantity for ample supply and easy replacement..
• Offered in four spine sizes: 250, 300, 350, and 400, to suit a range of arrow configurations..
• Features a total weight of 50 grains for optimal balance and performance..
• Accepts micro FMS insert weights, allowing for customizable tuning and fine adjustments..
• Specifically designed for .166 spine arrows, ensuring a secure and precise fit..

Specifications:

• Brand: Altra
• ProhibitedStates: None
• Length: 6.75
• Color: Silver
• Height: 0.25
• Sku: 1501740
• Width: 3.75
• Weight: 0.09