FredBohl said:...clear still air with no mirage and high contrast well illuminated target...
FredBohl said:Wrinkles aside, have you considered holding out until you have enough for the new March 10-60? The best backer I've found is a pressed paper board sold around here under the Homasote label. It is fairly dense, takes staples well and a bullet makes a nice clean hole through the dull gray material.