Altra Centrum Premier .166 Arrow – Ultra-Micro Diameter, Maximum Precision

The Altra Centrum Premier .166 Arrow is built for the archer who demands elite-level accuracy, consistency, and durability. Featuring a true .001” straightness tolerance verified by advanced measurement tools and NO SPINE™ Technology, this shaft ensures flawless tunability and arrow flight out of the box.

Crafted from high modulus carbon, the Centrum Premier .166 is an ultra-micro diameter shaft designed to cut through wind and maintain downrange stability. Paired with Altra’s A.R.C.O.S. Insert/Outsert System and premium nocks, this setup delivers top-tier performance in both target and hunting scenarios.

Each package is weight-matched to ±1 grain and available in both fletched (1 grey / 2 white Altra-branded Q2i RAPT-X vanes) and bare shaft options, in quantities of 6, 12, or bulk 72 for teams and high-volume shooters.

Core Features:

• Proprietary High Modulus Carbon: Delivers superior strength, accuracy, and long-lasting durability.
• .001” Straightness: Industry-leading tolerance verified by precision instruments.
• NO SPINE™ Technology: Promotes perfect tunability and consistent flight.
• A.R.C.O.S. System: Premium aluminum and stainless steel insert/outsert and nocks included.
• Weight-Matched Sets: Each set is sorted to within ±1 grain for consistent arrow builds.

Specifications:

• Length: 32” total
• Spines (GPI):
  • 250 spine – 11.8 GPI
  • 300 spine – 10.5 GPI
  • 350 spine – 9.4 GPI
  • 400 spine – 8.5 GPI
• Pack Options: 6 or 72 fletched shafts, or 12 bare shafts
• Fletching: Q2i RAPT-X vanes (1 grey / 2 white, Altra-branded)
• Components Included: A.R.C.O.S. Insert/Outsert System and nocks

Engineered for the archer who refuses to compromise, the Altra Centrum Premier .166 delivers cutting-edge technology, unmatched build quality, and precision downrange performance.