Altra 166 Reinforced Concentric Outsert System (A.R.C.O.S.) diy_pro_shop • Built in leveling bubble

• Built in leveling bubble

thanks to the new RADIANT 5 Night Illumination Technology

• Rear deploying 2 blade mechanical head

Made with pride by Easton in the USA

Altra 166 Reinforced Concentric Outsert System (A.R.C.O.S.) diy_pro_shop • Built in leveling bubbleThe Pinnacle of Precision & Performance Altra Reinforced Concentric Outset System (A. R. C. O. S.) fits our Altra Arrows 166 Shafts and are machined out of 7075 T6 aluminum for unmatched durability and performance, with optimal fit options. The insert secures into the arrow shaft at a depth of 0. 875", while the outsert then threads directly onto the insert and encapsulates the leading end of the arrow at 0. 43" creating unmatched durability.