Fixed Power 3/4 and 7/8 Inch Tubes Lyman Alaskan Exposed Adjustment 2.5x. 7/8". c.1939-40. Good, Crosshair. PreviousNorman Ford The Texan 2.5x. 7/8". Target Dot. Lyman Alaskan Exposed Adjustment 2.5x. 7/8". c.1939-40. Good, Crosshair. Lyman Alaskan Exposed Adjustment 2.5x. 7/8". c.1939-40. Good, Crosshair. $499.00 Add To Cart Facebook0 Twitter