Join Date
Nov 2007
Posts
73
Measurements IBS
1000 yd.= x ring 3" in a 4" aiming square, 7" 10 ring, and each ring from there out is 6'' bigger (9 ring = 13" etc). The 600yd= 1 & 3/16" x ring, 2 & 7/16" 10 ring, 5 & 3/16" 9 ring, every ring from there out is 2 & 3/8" bigger.