At your end - what about the rest of the distance your bullet travelled?
Help needed
- Thread starter Hoppy
- Start date
palmer_mike
Well-Known Member
Maybe have someone else (who is also a ‘good shot’) try your rifle/ammo and see if they do any better?
If so likely to user error, if not then something amiss with your equipment?
Johnnywood
Well-Known Member
Have you cleaned your mod as well as the rifle?
TringSaint
Well-Known Member
I honestly don’t know because someone makes it for me - Paul at case prep services near Bedford.
All I do know is that the bullets /heads/pointy things that come out of the barrel are 120gn noslers and it shoots sub moa.
Hoppy
Well-Known Member
Not the last lot that I shot from a rucksack
Hoppy
Well-Known Member
No wind with us today,
jonny.c
Well-Known Member
This could be wind also. But start from basic check gun over floating barrel and try some factory ammo and then see what happens. If someone else loads was it new brass have they been trimmed to the same length as if not you may be to close or on the lands which has caused this to shoot spot on to not so good so many things come into this!!!
Hoppy
Well-Known Member
No, I clean the rifle often with boretech eliminator, but never clean the mod I was lead to believe you shouldn’t? Looking at the moderator it looks like the baffles are starting to oval. Might be worth replacing
I completely stripped the rifle, barrel off the action stock and fore-end removed. Cleaned everything, checked all screws and bolts and could only find 1 slack grub screw on the rear QD mount that lets you adjust the tension on the screw on the locking arm. I doubt this will affect anything but it’s tight now. I tightened the QD mounts up a bit whilst I was at it, now takes a fair amount of force to close them over. Cleaned the barrel again and will pick up some factory ammo tomorrow and check it again.
I agree with @Donkey Basher
Bullet trajectories do not arc laterally - if there is a 100m group being pretty much on where you're pointing the gun and the 200m group being 85mm off to the side and 300m being off paper, there must be some lateral force acting upon the projectiles which in my mind narrows it down to one thing, wind.
If it was unstable projectiles then you would be seeing other signs - you wouldn't be geting 1/2MOA groups at 200!
Hoppy
Well-Known Member
There was very very little wind here today, barely enough to register but if it were stronger than I realised it wouldn’t matter as it would of been pushing the bullet left and the bullet is drifting right with the direction the wind was coming from
Johnnywood
Well-Known Member
Had some issues accuracy recently and decided to clean the mod (for the first time), there was a ton of crud in there. Solved the problem, so definitely worth a try, if you can get it apart!
Hoppy
Well-Known Member
Doesn’t split but thinking of a Freyr and Devrik which you can split for cleaning
If the drift you're seeing is opposite to the wind direction then that is quite the conundrum. I would try to zero at 200m and see where your 100m and 300m groups land.
I assume the groups you are seeing are too consistent to be caused by snatching the trigger? If you're right handed at the shots are drifting to the right, might be worth considering. Usually the people that snatch triggers and don't realise it aren't the type who like to go and punch paper at 300 yards
So your groups at 200 and 300, I assume you were dialling up to correct elevation as your 200m group which is moving to the right, is about right elevation wise when I would otherwise expect to see it 3-4inches low at the velocity your reloads are doing. I wonder if there is something amiss with the scope when you dial for elevation. I have seen this once before on a scope. It would hold elevation corrections but did weird things windage wise.
2 ways to check. Firstly, dial back to your zero and shoot 3 shots at the bull. Let it cool for a coupla minutes and then go back to 200 and shoot another 3 but DO NOT correct the elevation. Just let the bullets drop naturally. Assuming no wind, I would expect to windage remain true and for the bullet to have just dropped as expected. If this happens, then your scope is FUBAR'd.
Could the scope be seriously canted? Shouldn't see this sort of error at 200 or 300 but if it is properly on the **** it coudl potentially show something odd.
These things are always hard to diagnose from afar. You just need to go through the usual. I would not bother changing to factory ammo for now. Your load worked before, it is showing tight ES so I doubt that is your issue.
DO NOT shoot accuracy or precision with the Magnetospeed attached to your mod. It can affect harmonics and alter POI relative to POA.
2 ways to check. Firstly, dial back to your zero and shoot 3 shots at the bull. Let it cool for a coupla minutes and then go back to 200 and shoot another 3 but DO NOT correct the elevation. Just let the bullets drop naturally. Assuming no wind, I would expect to windage remain true and for the bullet to have just dropped as expected. If this happens, then your scope is FUBAR'd.
Could the scope be seriously canted? Shouldn't see this sort of error at 200 or 300 but if it is properly on the **** it coudl potentially show something odd.
These things are always hard to diagnose from afar. You just need to go through the usual. I would not bother changing to factory ammo for now. Your load worked before, it is showing tight ES so I doubt that is your issue.
DO NOT shoot accuracy or precision with the Magnetospeed attached to your mod. It can affect harmonics and alter POI relative to POA.
Hoppy
Well-Known Member
Thanks for that, will give that a go tomorrow and see what it shoots at 200 with it still dialled in for 100. I got a professional gunsmith (with a good reputation) to fit it for me for that very reason. It certainly looks plumb.
Hoppy
Well-Known Member
I was conscious that might have been the issue so for the last couple of groups I took my time and tried my best to make sure it was a gentle squeeze with no flinching. Rest was rock steady. Only thing I was thinking was it was magnified right up to 28. Should of tried it at 8-12 range to see if that made a difference
Why do you think you need to clean the barrel so often?
If I deep clean my . 204 it takes at least 5 rounds to come back to normal.
Most barrels need a wash of lead to shot optimality so you might actually be over cleaning it.
Have you let somebody else shoot your rifle and seen how it shoots?. Better still have you shot their accurate weapon at the same ranges?
If not Try above.
If still no joy suggest you remove scope and fit another reliable scope and see how you group.
Finally get a good gunsmith to bore scope it just to make sure it's not shot out.
D
If I deep clean my . 204 it takes at least 5 rounds to come back to normal.
Most barrels need a wash of lead to shot optimality so you might actually be over cleaning it.
Have you let somebody else shoot your rifle and seen how it shoots?. Better still have you shot their accurate weapon at the same ranges?
If not Try above.
If still no joy suggest you remove scope and fit another reliable scope and see how you group.
Finally get a good gunsmith to bore scope it just to make sure it's not shot out.
D
What @Cottis said. Doesn't help your group size mind unless it is the scope thats got an issue.
Got another scope to try? What mounting system are you using? Torque spec on the action correct? Recheck your load data too presuming at one point it shot well. Maybe you've altered seating depth without realising or similar, happens to the best of us
Got another scope to try? What mounting system are you using? Torque spec on the action correct? Recheck your load data too presuming at one point it shot well. Maybe you've altered seating depth without realising or similar, happens to the best of us
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