Colour Core

A single Colour Core for the A3D Mantle Aperture. This item cannot be used on its own, and must be installed into a Mantle Aperture to function.

Colour Cores give the archer freedom and flexibility to swap out colours and sizes of open ring style aperture to experimentally determine the ultimate in relaxed, focused aiming.

Micro size only at this time

• Classic: an 8mm long open tunnel with a 6.5mm inner diameter and 1.5mm wall thickness.
• Flare: an 8mm long open tunnel with a 8.3mm inner diameter and one flared end resulting in a 1.6mm apparent wall thickness when viewed from that end, or a 0.6mm wall thickness from the other end.
• Post: a 0.4mm post with a 2mm dot within a 8.3mm inner diameter ring.