gino

引用:

原帖由 潛陣水 於 10-1-2013 02:08 AM 發表
MOA = minute of angle = 角分 = 60分之1度
好似用黎表示紅點有幾大粒

4MOA = in 100 feet can cover 4 inch of the target

if u aim within 50 feet it cover 2 inch of the target
if u aim within 200 feet it cover 8 inch of the target