Description
The Altra 166 Outsert Titanium 350 Spine is part of the A.R.C.O.S. (Altra Reinforced Concentric Outset System) designed for 166 shafts. Made from durable 7075-T6 aluminum, it features an insert that secures into the arrow shaft at a depth of 0.875 inches, with the outsert threading directly onto the insert to encapsulate the leading end by 0.43 inches. Pre-installed rubber O-rings lock the outsert in place, minimizing vibration and enhancing concentricity, ensuring precise arrow setup and improved downrange accuracy. Perfect for archers looking for superior performance and fit.
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