Altra Non-Micro Forward Mass System Insert Weights Weight:20gr use with all broadheads

use with all broadheads

• 120 yd

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Field of view: 315 ft @ 1000 yds

Altra Non-Micro Forward Mass System Insert Weights Weight:20gr use with all broadheadsThe Pinnacle of Precision & Performance Altra non micro Forward Mass System (FMS) insert weight system offers fine adjustment of total arrow weight to increase F. O. C. and improve down range accuracy. The non micro insert weights are designed for use with all Altra arrows larger than 166 and are stackable for infinite weight adjustment. Fitment: Altra 23, Altra 27, Altra 246, Altra 204 Weight: 10 gr, 20 gr, & 50 gr Quantity: 12 pk Note: Blue Loctite