Altra 166 Spine Insert And Outsert Heavy 400 Spine 1 Dz.

Altra 166 Spine Insert And Outsert Heavy 400 Spine 1 Dz.The Altra Reinforced Concentric Outset System (A. R. C. O. S.) for 166 Shafts is designed to deliver unmatched durability and performance. Crafted from 7075 T6 aluminum, this system includes an insert that secures into the arrow shaft at a depth of 0. 875 inches, while the outsert threads directly onto the insert, encapsulating the leading end of the arrow by 0. 43 inches. Pre installed rubber O rings help lock the outsert in place, reducing vibration

The Altra Reinforced Concentric Outset System (A.R.C.O.S.) for 166 Shafts is designed to deliver unmatched durability and performance. Crafted from 7075-T6 aluminum, this system includes an insert that secures into the arrow shaft at a depth of 0.875 inches, while the outsert threads directly onto the insert, encapsulating the leading end of the arrow by 0.43 inches. Pre-installed rubber O-rings help lock the outsert in place, reducing vibration and enhancing concentricity for a more precise arrow setup and improved downrange accuracy. Available in four spine sizes, the A.R.C.O.S. system is perfect for those seeking optimal fit and performance.

Features:Fits Altra Arrows 166 Shafts;Machined from 7075-T6 aluminum for unmatched durability;Secure insert depth: 0.875 inches;Outsert encapsulates arrow end: 0.43 inches;Pre-installed rubber O-rings reduce vibration and improve concentricity;Comes in 12 pk QTY;Available in four sizes: 250, 300, 350, & 400 spine;50gn Total Weight;Accepts micro FMS insert weights;Enhances downrange accuracy and precision