Burris › Burris 2nd Gen "Flat" Pos-Align Standard Rings. Matte Black, High. 1". 420411. Image 1 of 2 Image 2 of 2 Burris 2nd Gen "Flat" Pos-Align Standard Rings. Matte Black, High. 1". 420411. $69.00 Steel rings. Includes two sets of Pos-Align inserts. Get notified by email when this product is in stock. <p>Subscribe to our mailing list</p> Add To Cart Added! Steel rings. Includes two sets of Pos-Align inserts.