Altra AA-SI-00004 Insert and Outsert, .166, 400 Spine, Silver, 12 Pack

The insert securely fastens into the arrow shaft at a depth of 0.875 inches, providing a stable and reliable foundation. The outsert threads directly onto the insert, encapsulating the arrow's leading end at 0.43 inches for exceptional strength and longevity. Pre-installed rubber O-rings on the insert help lock the outsert in place, minimizing vibration and ensuring a precise fit. This design improves concentricity between the outsert and insert, leading to enhanced accuracy and consistency during shots. Ideal for archers seeking high-quality components that boost overall arrow stability and down-range performance. Compatible with various arrow setups, making it a versatile addition to your archery gear.

Features:

• Available in a 12-pack quantity for convenient use and stocking..
• Offered in four spine sizes: 250, 300, 350, and 400 for versatile options..
• Features a total weight of 50 grains for balanced performance..
• Accepts micro FMS insert weights to customize and fine-tune your arrows..
• Specifically designed for sizes including 250, 300, 350, and 400 spine to meet different needs..

Specifications:

• Brand: Altra
• ProhibitedStates: None
• Length: 7.00
• Color: Silver
• Height: 0.50
• Sku: 1501743
• Width: 4.00
• Weight: 0.09