166 Phantom Insert/Outset Spine:500 Refined through over 40 years

Refined through over 40 years of release innovation

Lightweight Design Featuring a Carbon Fiber Extension Dovetail Sight Bar with Numerous Positioning Options

while the integrated front and back bar quick disconnect allows for easy disassembly for travel if needed

Altra Arrows® Field Points are precision machined from hardened 416 stainless steel for consistency and durability

the Ultrarest Integrate MX2 delivers peak performance for serious archers

166 Phantom Insert/Outset Spine:500 Refined through over 40 yearsThe Pinnacle of Precision & Performance Phantom Altra Reinforced Concentric Outset System (A. R. C. O. S.) fits our Altra Arrows Phantom 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