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rifle scopes holding zeros

Posted on 1/14/25 at 9:45 pm
Posted by Warwick
Member since May 2022
1692 posts
Posted on 1/14/25 at 9:45 pm
this seems to be a recent issue for me. have 2 rifles, 1 in .300 win, and other in .17 hmr. that both ahve shot off (around 2"-3").

last time i took both to the range was ~ 10-15 years ago but was hitting sub 1" groups at 100yds.

i suppose it could be a factor with the wind (moreso the .17 than the .300) but my general question was, how often do you guys check your zeros, and how often do they remain what they were?

one is a bushnell and other is nikon scope.



Posted by TigernMS12
Member since Jan 2013
5615 posts
Posted on 1/14/25 at 9:47 pm to
I shoot mine prior to gun season each year and if on the off chance the scope gets bumped or something along the way I’ll shoot it before taking it out again. I also shoot paper with it from time to time which isn’t exactly checking for zero but you obviously know if it’s off doing so
Posted by Success
Member since Sep 2015
1888 posts
Posted on 1/14/25 at 9:48 pm to
You haven’t shot them in 10 years?

Have they gotten dropped or banged up?

Is your zero off left to right or elevation?

Same ammo as you used 10 years ago? Same grain bullet?
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
69230 posts
Posted on 1/14/25 at 10:00 pm to
quote:

how often do you guys check your zeros,


Before the season and any time I drop them.

quote:

how often do they remain what they were?


Depends. Not all scopes are created equal in this regard. If you've been hunting with them for 10-15 years without checking them I'm surprised they were only off that much.
Posted by Megasaurus
Member since Dec 2017
994 posts
Posted on 1/14/25 at 10:21 pm to
there are many variables...

-temperature can impact zero (if you zero in winter and shoot with same "zero" during the summer there can/will be a shift)

-ammo (different lot #'s, bullet weight/type, etc.)

-the shooter, especially if you do not shoot regularly is almost always the culprit.. (body position/cheek weld, etc., etc.maybe slightly different than when the last "zero" was last established) will be the most likely cause of a zero "shift"..as its more likely the shooter than a true mechanical shift.

dont overthink it, go shoot and adjust accordingly
This post was edited on 1/14/25 at 10:23 pm
Posted by Strannix
President Trump's America
Member since Dec 2012
51293 posts
Posted on 1/14/25 at 10:32 pm to
quote:

one is a bushnell and other is nikon scope.


There's your problem
Posted by bnb9433
Member since Jan 2015
14544 posts
Posted on 1/15/25 at 5:26 am to
Posted by 257WBY
Member since Feb 2014
6820 posts
Posted on 1/15/25 at 7:08 am to
Is your groups 2-3” or are you off being dead on that much?

I check my rifles before the season and more often than not, sometime during the season. But I hunt a lot.
Posted by NattyLite
St. Charles Community
Member since Jan 2010
2046 posts
Posted on 1/15/25 at 7:20 am to
I never take mine to the range after it’s on. Haven’t shot at a range in 5plus years since I put my new scope on. Until I miss a does face I don’t plan to change anything. Unless I would drop it off course.
Posted by bigbuckdj
Member since Sep 2011
1961 posts
Posted on 1/15/25 at 7:33 am to
How are you mounting them? I love the scope drop testing and nightforces and trijicons but my personal experience has been scope problems seem to go away with quality rings torqued and loctited to spec, even with cheap scopes.
Posted by 257WBY
Member since Feb 2014
6820 posts
Posted on 1/15/25 at 7:55 am to
If both rifles didn’t group well, it’s likely the shooter. Have a friend, who’s a good shot, shoot them and see how he does.
Posted by Flats
Member since Jul 2019
25359 posts
Posted on 1/15/25 at 8:17 am to
quote:

scope problems seem to go away with quality rings torqued and loctited to spec


This. If you've dropped several hundred on a rifle and several more hundred on a scope (and for some of you several hundred on Sitka gear), buy a damn $50 Wheeler kit.
Posted by The Levee
Bat Country
Member since Feb 2006
11509 posts
Posted on 1/15/25 at 8:48 am to
Best advice I can give you is to get a quality hard case for storage and travel.

My zero holds pretty true for years.

Minor adjustments every year but I have a Leupold with nice rings.

Posted by 257WBY
Member since Feb 2014
6820 posts
Posted on 1/15/25 at 9:00 am to
A post from 24hourcampfire

LINK
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
69230 posts
Posted on 1/15/25 at 9:26 am to
quote:

Minor adjustments every year but I have a Leupold with nice rings.


Get a trijicon in some good rings and get rid of the adjustments all together.

It sounds ridiculous, but since I've put an SWFA on my main rifle I haven't had to touch the zero. Several seasons, several drops, a 2 week backpack hunt, even took it off and put it back on once. Have not touched the zero. Still DEAD on. Not close to on, EXACTLY dead on.

I don't recommend an SWFA to anyone because they have huge obnoxious turrets and if you aren't going to dial they are a pure liability, i got a good deal on mine. The point is a truly reliable scope does not ever require tweaking and really doesn't even require checking. Its life changing.

So many people are living with wandering zeros and don't even know it. Doesn't really even matter for most people in louisiana. Just know that you don't have to live with it if you don't want to. Get a trijicon accupoint, and you can drop your rifle out the stand straight on the scope and know you can still take a 200 yard shot immediately after without worry, it will still be zeroed.
Posted by kengel2
Team Gun
Member since Mar 2004
32910 posts
Posted on 1/15/25 at 9:38 am to
Wheeler Fat Wrench

Might as well just buy one of these as well.
Posted by The Levee
Bat Country
Member since Feb 2006
11509 posts
Posted on 1/15/25 at 9:52 am to
quote:

A post from 24hourcampfire



This is great! Thanks!
Posted by The Levee
Bat Country
Member since Feb 2006
11509 posts
Posted on 1/15/25 at 9:54 am to
quote:

SWFA


What is this?
Posted by 257WBY
Member since Feb 2014
6820 posts
Posted on 1/15/25 at 10:01 am to
Rifle scope

Seems like that mostly come in fixed power and are considered high quality at a good price.
Posted by White Bear
Yonnygo
Member since Jul 2014
16370 posts
Posted on 1/15/25 at 10:04 am to
Since my rifle has held zero and shot consistently prior, I recheck zero by aligning the bore and crosshairs on an object at 100yds, etc. no ammo wasted.
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