The Road To Precision : Added Part 16 & 17
- Thread starter ryandpahl
- Start date
Danimal247
CGN Ultra frequent flyer
- Location
- Toronto, ON
Vid #8 is impressive - you look incredibly organized with your load ratings, round markings, etc - I find this video shows the amount of effort you put into this more so than the others!
Milofficer
CGN Regular
- Location
- Vancouver, BC
I'm glad someone is making educational shooting related videos that are bearable, watchable AND entertaining. You're the anti-Nutnfancy. I've learned a fair bit from your videos, and i'm eager to see more! keep up the great work
Danimal247
CGN Ultra frequent flyer
- Location
- Toronto, ON
just watched 9 and 10, awesome!!!
I am not sure if you looking for advice, if you are not then ignore this post. Your load and gun is showing over a moa of vertical dispersion in your 800 meters plot sheet. This is too much to shoot a perfect score at 800 even if you get your wind calls down perfectly. If you run ten rounds over a chronograph you will see what your extreme spread in velocity. My guess is that you will find that it is greater than you would like and that you may have to test more variables than powder charge to get a load which is competitive.
Have fun
Have fun
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Thanks for the advice, I have noticed the vertical dispersion. Those 168's are only going 2660, which isn't really that fast. They group nice at 600, but the dispersion must pick up beyond that.
I have already started developing a new load using 155 scenars. I am getting about 2950fps out of them. According to JBM I should see better results at all distances. Hopefully I will have a better run at the next competition with my new ammo.
A new match barrel is planned sometime in the next year. That may help as well.
I have already started developing a new load using 155 scenars. I am getting about 2950fps out of them. According to JBM I should see better results at all distances. Hopefully I will have a better run at the next competition with my new ammo.
A new match barrel is planned sometime in the next year. That may help as well.
I am going through the same thing. My first match my rifle was grouping at about .75 MOA at 300 and 600 meters. At 800 900 it opened up to about 1.5 MOA vertical. RNBRA shooter suggested that I run my load over a chrony. I was getting 60 fps extreme spread
. That was my vertical. I played with my loads a bit more and was able to get this down to 20 fps. I have already ordered a new barrel from Rob Mclennan. Hoping to have everything together for next season.
. That was my vertical. I played with my loads a bit more and was able to get this down to 20 fps. I have already ordered a new barrel from Rob Mclennan. Hoping to have everything together for next season.I am going through the same thing. My first match my rifle was grouping at about .75 MOA at 300 and 600 meters. At 800 900 it opened up to about 1.5 MOA vertical. RNBRA shooter suggested that I run my load over a chrony. I was getting 60 fps extreme spread
I am also batteling this also... gun shoots .75moa at 300 yards all day long and most of the velocity are good... when I go out shooting I chronograph every shot last 50 shots are listed below... you look at the first 4 shots and think damn this is good withing 10fps then the fifth shot damn it 20 fps slower
My dad was watching me shoot on the weekend says why are you cronographing everything you know what they fly at just shoot. My perspective is data is data and it dosent lie... data plus targets is better yet...
I think the lowest was 2811fps and highest 2910fps thats nearly 100fps over 50 shots not good... I am scratching my head wondering why this is happened my last reloads average 2950fps and where much more consistant these seem to be much slower and have some werid paterns maybe there is an issue with the powder its a bad batch... I am not sure.
2840 2844 2847 2850 2821 2826 2813 2811 2817 2851 2859 2857 2875 2846 2878 2910 2891 2848 2858 2884 2856 2856 2846 2851 2862 2845 2856 2862 2860 2865 2869 2850 2858 2879 2868 2858 2882 2900 2885 Average 2857.282
I am thinking about going out and buying a video camera to put down by the target so I can link the data to the actual hits to see what if any difference the difference in velocities actually make down range.
Seems like you are one with the cronograph drew. You do not need to head to the range to find out if a variation of a hundred feet per second will have an affect on impact. Just go to JBM calculations and run it through thier trajectory calculator. Assuming you are shooting a 155 Grain sierra.
-4.6 300 Meters -34.1 900 meters
-5.0 -37.2
So at 300 Meters your vertical dispersion would be .4 MOA Not that big of a deal. But at 900 Meters it would be 3.1 MOA only due to velocity variation.
-4.6 300 Meters -34.1 900 meters
-5.0 -37.2
So at 300 Meters your vertical dispersion would be .4 MOA Not that big of a deal. But at 900 Meters it would be 3.1 MOA only due to velocity variation.
Cool I always wondered if there was like a real life type shooting simulator... but nothing beats testing it out in real life.
I am one with the cronograph alright... I had used it many times before on the indoor range to do pistols and slugs but the very first time I went to try a rifle outdoors I forgot the barrel was 1.5" below the scope and put my very first round of 308 thru the thing wrecked it
now know if the cronrograph body is above the bench level bad things will happen
I am actually using nosler custom competitions I had a few boxes left over in the store so I used them up you dont want to be addicted to long range precision and own a reloading store... I think I shoot more products then I sell sometimes.
I am one with the cronograph alright... I had used it many times before on the indoor range to do pistols and slugs but the very first time I went to try a rifle outdoors I forgot the barrel was 1.5" below the scope and put my very first round of 308 thru the thing wrecked it
now know if the cronrograph body is above the bench level bad things will happen I am actually using nosler custom competitions I had a few boxes left over in the store so I used them up
you dont want to be addicted to long range precision and own a reloading store... I think I shoot more products then I sell sometimes.Good vids, welcome to the wonderful world of "what the he!! happened to that shot" shooting, or what we know as F-class
Some little things I have learned on my "journey" is only try to correct off of your sighters and hold off for the rest unless a BIG wind change comes along. If you like to make changes instead, whatever you think you need to move, go half. If your rifle can shoot 9" at 900m and your first sighter is 1MOA right, chances are you correct 1 MOA left and push yourself out 1MOA left now. You always must take into account what the rifles grouping capability to make a confident sight change. It would be much easier if the rifle always shot the same hole as your POA and you only had to read the wind....
Just when you think you have everything figured out, slap a sling and some iron sights on and shoot off of your elbows. Talk about a whole other ballgame. It's great fun though and if you have the chance, I urge you to try it, I think you would like it.
Some little things I have learned on my "journey" is only try to correct off of your sighters and hold off for the rest unless a BIG wind change comes along. If you like to make changes instead, whatever you think you need to move, go half. If your rifle can shoot 9" at 900m and your first sighter is 1MOA right, chances are you correct 1 MOA left and push yourself out 1MOA left now. You always must take into account what the rifles grouping capability to make a confident sight change. It would be much easier if the rifle always shot the same hole as your POA and you only had to read the wind....
Just when you think you have everything figured out, slap a sling and some iron sights on and shoot off of your elbows. Talk about a whole other ballgame. It's great fun though and if you have the chance, I urge you to try it, I think you would like it.
