well, when i first get my c9 after about 50 to 100rd, i decide to try out the ghost ring sight. loved it. about 2500rd, grouping in 3-4 inch in 30ft. about 2 weeks ago i when to range with my girlfriend's little brother. he make the comment about the ghost sight is hard to see, and i should swap back to 3 dots sight for the reason most other guns use 3 dots sight. make sense to me... at that time. after about 400rd now, i can't hit sh!t in 20ft!!! what the hell is wrong with me? i even miss my 8x11 target couple shots. well, that's it, i'm swapping back to my ghost sight and either today or friday i'll be back to range to sight it in. wish me luck.