The Mathews Axcel Sight Extension Bar RH is a lightweight 2.5? carbon fiber accessory for Bridge-Lock-equipped Mathews bows that positions Axcel sights like the AccuHunter, Achieve, and LandSlyde at the correct distance from the riser for proper sight alignment, providing a rigid, flush-fit connection while maintaining minimal weight. Mathews Archery Mathews Mathews Axcel Sight Ext Bar RH 80989A