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How's this for bore - scope alignment?

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/23/2010 at 13:50
BowHunter252 View Drop Down
Optics GrassHopper
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Well, I got my first "good" scope, a used Bushnell 4200 6-24x40 Mil Dot.  I zeroed the reticle in the scope (turned dials all the way down, then back up counting the clicks, then back down half way).  This was right on the "0" mark on the dials, which impressed me.

 
Then I mounted the scope in my Talley lightweight rings/bases that I lapped a while ago using the Wheeler kit.
 
Went to the rang and had the target set at 125 yards.  Looking down the bore it looked about right on.  Here are the first 4 shots.  I was aiming in the center of the darker circle below the holes.  Gun is a Rem 700 CDL in .243.   Did I get lucky, or is this common with a good scope?
 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/23/2010 at 14:07
cyborg View Drop Down
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Not really.... If the rifle and scope are in line then there is really only the matter of how the round exits the barrel. Accurate rifles when the scope is aligned properly (provided the mounting taps are aligned properly) and the rings and bases are worth a crap this is what you should get.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/23/2010 at 14:24
RifleDude View Drop Down
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Welcome to OT, Bowhunter!

If that is indeed your first shots after mounting the scope without any bore sighting, then yes, you did get lucky on your POI, as that's not at all common.  It has nothing to do with the quality of the scope, either.  You seldom have absolutely perfect windage alignment requiring no scope adjustments from just screwing mounts onto your receiver, especially with no bore sighting.  Even with very high quality mounts, the receiver itself may not have the mount holes perfectly aligned.  Even if they are perfectly aligned, there is enough clearance between the screw heads and the screw hole counterbores on the mount bases to allow some left/right mount location variation from top dead center to require windage compensation.


Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/23/2010 at 20:41
3_tens View Drop Down
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I think it is time to take you to the casino. All kidding aside I have the same rifle in .243 and it is a good shooter. The 4200 is a good scope. You were very lucky with your mounting. Keep up the good shooting. I would be in a hurry to go hunting while your luck is running so good. This combination luck and rig has Boone and Crockett written all over it. Happy hunting. and welcome to the OT.

Edited by 3_tens - January/23/2010 at 20:43
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/25/2010 at 10:23
BowHunter252 View Drop Down
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Originally posted by RifleDude RifleDude wrote:

Welcome to OT, Bowhunter!

If that is indeed your first shots after mounting the scope without any bore sighting, then yes, you did get lucky on your POI, as that's not at all common.  It has nothing to do with the quality of the scope, either.  You seldom have absolutely perfect windage alignment requiring no scope adjustments from just screwing mounts onto your receiver, especially with no bore sighting.  Even with very high quality mounts, the receiver itself may not have the mount holes perfectly aligned.  Even if they are perfectly aligned, there is enough clearance between the screw heads and the screw hole counterbores on the mount bases to allow some left/right mount location variation from top dead center to require windage compensation.


 
Yeah, it was the first shots.  I just centered the reticle in the scope then mounted it.  If I switch scopes to another "good" scope, would you expect it to hit about the same spot if the reticle was centered also?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: January/25/2010 at 10:24
BowHunter252 View Drop Down
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Originally posted by 3_tens 3_tens wrote:

I think it is time to take you to the casino. All kidding aside I have the same rifle in .243 and it is a good shooter. The 4200 is a good scope. You were very lucky with your mounting. Keep up the good shooting. I would be in a hurry to go hunting while your luck is running so good. This combination luck and rig has Boone and Crockett written all over it. Happy hunting. and welcome to the OT.
 
Well I would have to be VERY lucky to get into Boone and Crocket in North CarolinaBig Grin.  I might have better luck with bear than deer though.
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