Altra Arrows Micro Insert Weight

The Pinnacle of Precision & Performance Altra Forward Mass System (FMS) micro insert weight system offers fine adjustment of total arrow weight to increase F.O.C. and improve down range accuracy. The micro insert weights are designed for use with all Altra 166 arrows and are stackable for infinite weight adjustment. Specifications for Altra Arrows Micro Insert Weight: Manufacturer: Altra Arrows Color: Silver Features of Altra Arrows Micro Insert Weight: Comes in 12 pk QTY Available 10 & 20 Grains Blue Loctite recommended for assembly Package Contents: Altra Arrows Micro Insert Weight