Since I am going to attempt to shoot my Colt M4 Lower with a WOA 18" varmint upper at 1,000 yds has anyone used one of these? I am wondering how much higher it will make my scope.
https://egwguns.com/wecs.php?store=232536056986&action=display&target=30411
https://egwguns.com/wecs.php?store=232536056986&action=display&target=30411