Alta Labs Altra 166 Spine Insert and Outsert Heavy 350 Spine 12 pk – Exclusive Offer

Specifications

Weight—-50 grains

Material—-7075-T6 aluminum

WARNING: This product can expose you to chemicals including arsenic, which is known to the State ofCalifornia to cause cancer. For more information, go toWWW.P65WARNINGS.CA.GOV

Product Overview

Alta Labs Altra 166 A.R.C.O.S. reinforced concentric outset system provides a durable insert and outsert setup for consistent alignment on 166 shafts. This Heavy 350 spine kit is machined from 7075-T6 aluminum and uses pre-installed rubber O-rings to help lock the outsert in place, reduce vibration, and support more precise, repeatable arrow performance.

Key Features

• Machined from 7075-T6 aluminum for high durability
• Designed specifically for Altra Arrows 166 shafts
• Insert seats at a secure depth of 0.875 inches
• Outsert encapsulates the arrow end by 0.43 inches for a tight interface
• Pre-installed rubber O-rings to reduce vibration and improve concentricity
• Heavy 350 spine configuration with 50 grains total system weight per set

Build a more consistent front-end alignment with the Alta Labs A.R.C.O.S. Altra 166 Heavy 350 spine insert and outsert kit.