Altra Altra 166 Insert O-Ring 12 pk. AA-AC-00015

Altra 166 Insert O-Ring
12 pk.
The Pinnacle of Precision & Performance Altra replacement O-rings for the A.R.C.O.S. are essential in the insert/outsert system as they aid in locking the outsert in place, reducing vibration and improving concentricity between the outsert to the insert for a more precise arrow set up and down range accuracy.
Comes in 12 pk QTY