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.
Features:
Comes in 12 pk QTY
Available 10 & 20 Grains
Blue Loctite recommended for assembly
WASHING INSTRUCTIONS:
Machine wash separately in cold water on a gentle cycle. Tumble dry separately on low heat. Add QE Home Wool Dryer
Balls to reduce wrinkles and increases drying efficiency. Touch up with a low heat iron as needed. Do not bleach or dry clean.
Size Chart
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