200 yard challenge
- Thread starter scuba52
- Start date
VanIsleCam
CGN Ultra frequent flyer
My son and I shot the small gongs at Nanaimo F&G for fun today. I averaged 7/10 he was a little less. Bulk Federal (1375 rounds for 80 bucks) purchased from Gone Fishing. Hold over was roughly 3 feet above the target. Front rest only and with a Bushnell 3x9 cheapie scope.
Please post your 200 yard targets today, without cherry picking a single stand out. Despite the cold temperatures, it would be instructive to see what can be achieved by an experienced shooter who has a good rifle and is knowledgeable about the importance of ammo selection. Such targets can help put in perspective what shooters can more reasonably expect under current conditions.
There is AI and there is IA . . . Internet Accuracy.
The probability of duplicating five and ten shot groups does not necessarily double but I often ask "Why use 5-shot groups as a standard when 10-shots are required on game day"?
When testing, why not put the whole box to the test with five 10-shot groups. Ordering a brick or a case based on one group is wrong.
Shot to shot consistency changes like the weather . . . SSDD . . . Same Shooter Different Day and that is the modified version!
And with the wind it will change between the read and the shot which should be measured in milliseconds!
The probability of duplicating five and ten shot groups does not necessarily double but I often ask "Why use 5-shot groups as a standard when 10-shots are required on game day"?
When testing, why not put the whole box to the test with five 10-shot groups. Ordering a brick or a case based on one group is wrong.
Shot to shot consistency changes like the weather . . . SSDD . . . Same Shooter Different Day and that is the modified version!
And with the wind it will change between the read and the shot which should be measured in milliseconds!
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So rookie question, when measuring the groups, are you guys measuring edge to edge and then subtracting the bullet size, or just edge to edge?
I am very new to measuring groups and will be trying this in the spring, sorry if this has been answered elsewhere.
I am very new to measuring groups and will be trying this in the spring, sorry if this has been answered elsewhere.
The most common method is to measure outside edge-to-outside edge at the widest part of the group, including the usual grey smudge a lead bullet leaves around its hole in the paper. Subtracting the diameter of the bullet hole in the paper from that measurement will give the center-to-center group size.
Note that a bullet hole through paper is not necessarily going to be the same diameter as the bullet itself because the bullet leaves a smaller hole in the paper.
Among the least reliable paper to use is common copier paper because it doesn't yield clean holes. Use something thicker like 65 lb card stock on which to have targets printed, or even paper plates. There is paper specifically made for targets such as the paper used in officially sanctioned matches but they can be quite costly. Splatter or reactive paper is not good for reliable measurement.
The wind gusts were in our face which does not help vertical but it was pretty consistent 4 inch vertical. When the wind did swirl you can see the horizontal real quick at 200. Pushes the round and you can’t even feel the wind yet. I usually don’t use wind flags and it shows. We were sheltered a bit from the wind which doesn’t help.
All in all, 4" is fairly realistic for 200 yards. Sure, we can tighten that up a little for some groups, but like Jerry says, rimfire ammo "has a surprise (or two) in every box". With some very good ammo, maybe we can get most of our groups in the 2" range, I just don't see the average lot of SK ammo doing that. My secret to the wind? Shoot on a calm day 
lol, I was thinking about going out today, but the forecast changed and the wind picked up. Next weekend looks to be a few degrees warmer, too. Yeah, I should get out and work on my wind reading, but I need calm days for a few things that I'm working on at the moment, can't have the wind skewing my data.
lol, I was thinking about going out today, but the forecast changed and the wind picked up. Next weekend looks to be a few degrees warmer, too. Yeah, I should get out and work on my wind reading, but I need calm days for a few things that I'm working on at the moment, can't have the wind skewing my data.All in all, 4" is fairly realistic for 200 yards. Sure, we can tighten that up a little for some groups, but like Jerry says, rimfire ammo "has a surprise (or two) in every box". With some very good ammo, maybe we can get most of our groups in the 2" range, I just don't see the average lot of SK ammo doing that. My secret to the wind? Shoot on a calm day
Hard to read the wind in snow covered fields with no leaves lol. Sk is a mid grade ammo so I think 4 inch in below zero will definitely show the vertical as it did. But it is always fun to go out for a day with friends and let it fly. See what summer brings and some top tier ammo
Shot some groups this afternoon at 200. 8 groups, 10 shots per group. Wasnt expecting much just a fun afternoon of shooting. Nothing to get excited about but shots on paper anyways, no excuses just today's results ATTACH]352211[/ATTACH]View attachment 352212View attachment 352213
The rig. Tikka t1x with ibi barrel in a MDT ACC, Athlon 4.5-30x56 Ares ETR.
View attachment 352210
The rig. Tikka t1x with ibi barrel in a MDT ACC, Athlon 4.5-30x56 Ares ETR.
View attachment 352210
Are the numbers along with each target 1 - 8 the group sizes? That is to say, for example, is the number 1 target 3.675" in size?
Yes sir. Just numbered them because I measured and wrote it on paper before writing it on the board.
Thank you. Im Quite happy with it. Sk Rifle Match was used today. Next weekend I'll try my Sk Long Range Match. Forgot it today. Wanted a simple base line and well just to shoot.
