Matchdot ii adjustment needed between 25 and 12 yards?
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Matchdot ii adjustment needed between 25 and 12 yards?
hello BE folks,
i have a SW41 and recently installed an ultradot/ matchdot ii scope/ red dot - all stock with the provided rings.
normally i shoot at 25 yards and zeroed my pistol for that distance but when i moved to 12 yards to shoot with a friend, i noticed that i was shooting low and had to make like 4 clicks to put it up. i did not have this issue when i had the vortex venom on my SW41. obviously the scope sits higher than the vortex but i did not expect the difference to be that big. would like to hear some experiences and suggestions from other folks.
thanks!
i have a SW41 and recently installed an ultradot/ matchdot ii scope/ red dot - all stock with the provided rings.
normally i shoot at 25 yards and zeroed my pistol for that distance but when i moved to 12 yards to shoot with a friend, i noticed that i was shooting low and had to make like 4 clicks to put it up. i did not have this issue when i had the vortex venom on my SW41. obviously the scope sits higher than the vortex but i did not expect the difference to be that big. would like to hear some experiences and suggestions from other folks.
thanks!
Monrec- Posts : 26
Join date : 2021-09-10
Re: Matchdot ii adjustment needed between 25 and 12 yards?
At 12y, the shot trajectory is nearly a straight line. The UD probably sits higher by a comparable amount that you see low at the target.
Jack H- Posts : 2688
Join date : 2011-06-10
Age : 75
Location : Oregon
Re: Matchdot ii adjustment needed between 25 and 12 yards?
At short ranges (under 50 feet) mechanical offset plays a much bigger role.
Wobbley- Admin
- Posts : 4737
Join date : 2015-02-12
Re: Matchdot ii adjustment needed between 25 and 12 yards?
Image poi from 1 yard
james r chapman- Admin
- Posts : 6333
Join date : 2012-01-31
Age : 75
Location : HELL, Michigan
Re: Matchdot ii adjustment needed between 25 and 12 yards?
If you drew and extended lines through the center of your sight and the center of your barrel, there is a point where the lines will eventually intersect. Due to bullet drop, the trajectory line from the barrel will go on to intersect with the line through your sight again. Practical example: with the matchdot on my Ruger 22 I don't adjust between 25 and 50 yards. I understand this to mean the bullet is still on it's way up (in relation to the sight line) as it passes through the 25 yard target, and falling right onto my point of aim at 50 yards. If my bullet is still going up at 25 yards then: when I bring the target in to 12 yards the bullet will be earlier yet in its flight to my point of aim, so expected to be lower point of impact on the target.
SingleActionAndrew- Admin
- Posts : 658
Join date : 2019-11-19
Location : IL, USA
Re: Matchdot ii adjustment needed between 25 and 12 yards?
Thank you folks for all your inputs. Just got back from the range and with the matchdot ii, I had to move from 0 to counter clockwise with 6 clicks. It went straight to bullseye using a rest.
Monrec- Posts : 26
Join date : 2021-09-10
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