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The Altra Archery Micro Insert Weight system gives archers complete control over arrow weight and front-of-center (FOC) balance. Designed specifically for Altra .166 arrow systems, these stackable Forward Mass System (FMS) weights allow precise customization of arrow performance for improved downrange accuracy, enhanced penetration, and optimized arrow flight. Available in 10-grain and 20-grain options, the FMS system provides virtually unlimited tuning possibilities for serious archers and bowhunters.
The Altra Forward Mass System allows archers to fine-tune arrow weight and balance to match specific shooting goals. By increasing weight at the front of the arrow, archers can optimize front-of-center balance, improve arrow stability, and create a setup tailored to their bow, draw weight, and shooting style.
The stackable design allows multiple weights to be combined for virtually unlimited tuning flexibility. Whether you're building a high-FOC hunting arrow or adjusting total arrow weight for competitive shooting, the FMS system provides a simple and effective solution.
When paired with compatible Altra components, Micro Insert Weights help archers maximize consistency and confidence with every shot.
Micro Insert Weights are used to increase arrow weight and front-of-center balance, helping archers customize arrow performance for specific shooting applications.
These weights are designed for use with all Altra .166 arrow systems and compatible FMS components.
The Altra Micro Insert Weights are available in 10-grain and 20-grain options.
Yes. The stackable design allows multiple weights to be combined for virtually unlimited tuning flexibility.
Yes. Altra recommends using Blue Loctite during assembly to help secure components and maintain consistent performance.
Whether you're building a high-FOC hunting arrow, optimizing a target setup, or experimenting with different arrow configurations, the Altra Archery Micro Insert Weight 12 Pack gives you the flexibility to achieve the perfect balance of weight, accuracy, and performance.
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Leapfrog Outdoor Sports And Apparel
Pickup available,usually ready in 24 hours
316 13 Street North
Lethbridge AB T1H 2R8
Canada
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