Quote:
Originally Posted by Mad_Mikee
Hi Everyone,
Hope this is the right location for the post. Just have a question for some of the reloaders on the board.
A friend and I have just recently started reloading. We've both done a lot of reading and have built a few batches of rifle ammo. We're being safe and working out way up with the powder charges.
I'm loading for a Ruger MKII in 30-06. I'm grouping really well at 100 yards (4out of 5 shots touching) using 168g Barnes TSX bullets and 53grains of AA2520 powder. Last week when I tried to sight my rifle in at 200 yards, my groups were scattered to say the least. Out of 5 shots, I had 2 within about 1/2'' of each other and then 3 more all within about 6'' in various directions.
All shooting was done from a stable bench, with a rest and with a cool barrel.
Barrel was clean, and the scope mounts are tight.
I'm hoping to get a case OAL gauge. Maybe see if I can seat the bullets out a bit further.
One person at WSS suggested I move to a 180grain bullet. He said 168grain was match grade for a 308, not a 30-06. Im still not convinced thats the answer.
Any suggestions or quick fixes I can give a try would be greatly appreciated.
Like I said, I'm fairly new to this so I'm sure I've overlooked something along the way.
Thanks in advance.
TUC - thanks again for the brass...very much appreciated.
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Sounds like a form/positioning issue to me, because the 100 yard groups are good, but the 2000 goes way out, farhter than it should for the MOA deviation.
Form is everything, you can't shoot consistanly without good form and a good shot sequence.
butt stock position is critical, as is head positoning, not jus the
buzz word that many use these days - "cheek weld".
This term is used to define the amount of pressure on the cheek pice of the rifle, but there is a lot mor to the head position that that
( although it is important)
Eye relief and head orientation count also.
trigger finger position must be correct, as must the tension and frequencey of the triiger squeeze needed to break the trigger.
follow through, although commonly ignored, is very important, as one's nerves can twich a barrel out of alignment easily beofre the bullet gets out of the barrel.
There are other factors also but I will not belabour the fact here.
It is easily summed up by getting as consistant as one can with the shot sequence, making sure that you do everything possible to do evrything the same each time, and not "letting down" after the shot too quickly.
or it may be a parralax thing, as Dick suggested!
( I don't think so however)
Cat