OK, so what gives?
#1
Fork Horn
Thread Starter
Join Date: Aug 2005
Location: Hamiltucky, OH
Posts: 485
OK, so what gives?
Last year, after shooting many different brands of ammo, I found that my .30-06 consistentlypreferred 165-168 grain bullets over 180's.
This Spring, the same rifle prefers 180's over the smaller guys. I'm the same guy I was, or so I think, so I'd like to take myself out of the equation.
The rifle has had a trigger job, and I've mounted a new scope on it. However, I don't see how these factors would have anything to do with the change in the groupings.
I have begun using bore foam for cleanings. Would this be enough to do it?
Curiously yours,
FC
This Spring, the same rifle prefers 180's over the smaller guys. I'm the same guy I was, or so I think, so I'd like to take myself out of the equation.
The rifle has had a trigger job, and I've mounted a new scope on it. However, I don't see how these factors would have anything to do with the change in the groupings.
I have begun using bore foam for cleanings. Would this be enough to do it?
Curiously yours,
FC
#4
Nontypical Buck
Join Date: Aug 2005
Location: S.W. Pa.-- Heart in North Central Pa. mountains-
Posts: 2,600
RE: OK, so what gives?
James B makes a very good point concerning the lot numbers of the ammo. When those numbers change, it can often have a dramatic effect on how one lot shoots compared to the lot nos. you had been using.
This is just one more reason we take up handloading. You can control uniformity.
This is just one more reason we take up handloading. You can control uniformity.
#5
RE: OK, so what gives?
Lots (manufacturing runs) of different ammo shoot diff. You could also be getting a build up of copper in your barrel. I still have to use a copper solvent after the foam cleaning. My preference so far is barns copper solvent. You mentioned a trigger job. If that was since last season, the smith retightened the action screws. That can change the harmonics of your rifle and thus the change in groups.
mello
mello
#6
Fork Horn
Thread Starter
Join Date: Aug 2005
Location: Hamiltucky, OH
Posts: 485
RE: OK, so what gives?
ORIGINAL: mello_collins
... You mentioned a trigger job. If that was since last season, the smith retightened the action screws. That can change the harmonics of your rifle and thus the change in groups.
mello
... You mentioned a trigger job. If that was since last season, the smith retightened the action screws. That can change the harmonics of your rifle and thus the change in groups.
mello
Yes, the lot numbers on the ammo are the same. In fact, some of it is from the same boxes.
When it comes to copper, I likely have less than last year. When I clean, I'll let the foam sit as long as overnight, with the barrel plugged, andI'll do it several times. When I subsequentlyuse Shooter's Choice copper remover, there's no blue on the patches whatsoever.
For me, it's actually been a good thing, as I'd rather shoot the 180's if they'll group well.
Thanks for your input!
FC
#8
RE: OK, so what gives?
Just trying to help. The action screws on my Ruger are finicky and the same thing threw a friends Remington off also, neither are bedded though. Which foam are you using? I hate scrubbing copper.
mello
mello
#10
Giant Nontypical
Join Date: Feb 2003
Location: fort mcmurray alberta canada
Posts: 5,667
RE: OK, so what gives?
the only thing i can think of is that you were using mtwo different brands of ammo