Product Overview
The Altra 166 Outsert Titanium 400 Spine arrow inserts are engineered for precision and durability, designed specifically for Altra Arrows 166 shafts. Machined from high-quality 7075-T6 aluminum, these outserts provide exceptional strength and longevity, ensuring reliable performance during your archery sessions. The secure insert depth of 0.875 inches guarantees consistent placement and optimal flight characteristics. The outsert encapsulates the arrow end with a diameter of approximately 0.43 inches, offering enhanced stability and accuracy. Pre-installed rubber O-rings help reduce vibration and improve concentricity, resulting in tighter groupings and better overall accuracy. This pack includes 12 inserts available in four different spine options*250, 300, 350, and 400*to match your specific arrow setup and shooting style. Each insert weighs approximately 50 grains and accepts micro FMS insert weights for customized tuning. Designed to improve downrange accuracy and precision, these inserts are an essential upgrade for serious archers seeking consistent performance and durability in their arrow components.
Features:
- Material: Machined from durable 7075-T6 aluminum for long-lasting performance
- Secure Insert Depth: 0.875 inches for consistent placement
- Encapsulating Outsert: Approximately 0.43 inches diameter for stability
- Vibration Reduction: Pre-installed rubber O-rings to minimize vibration and enhance concentricity
- Compatibility: Fits Altra Arrows 166 shafts with four available spine options (250, 300, 350, 400)
- Weight: Approximately 50 grains, accepts micro FMS insert weights
- Pack Size: Includes 12 inserts for multiple arrow setups
