Micro Insert Weights - 12 pack sight hand-laid carbon fiber and the

hand-laid carbon fiber and the tightest of tolerances

This new head slices massive holes and makes blood trails even shorter - all while still providing field point accuracy and superior tunability

The Pinnacle of Precision & Performance™ Altra non-micro Forward Mass System (FMS) insert weight system offers fine adjustment of total arrow weight to increase F

The insert secures into the arrow shaft at a depth of 0

Elevation gang adjustment with visual laser engraved markings

Micro Insert Weights - 12 pack sight hand-laid carbon fiber and theThe 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. Features: Comes in 12 pk QTY Available 10 & 20 Grains Blue Loctite recommended for assembly