Scope help

What kind of mounts you got?

Leupold STD low mount system. Absolutely love the scope, point purchases are a good thing when the better half is next to you in the checkout line and doesn't know about the points.

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Try different ammo as well.

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This could well be it. Happened to me with my 30-30. switched ammo and problem solved.
Let us know how you resolve it.

You are too high. Adjust your scope at 25yds so you are shooting 1/2 in low.

You will hit close to bullseye at 100yds.

The adjustment is 1/4 in at 100 yds. 1/8in at 50 yds, 1/16 in at 25 yds. It will take a lot of clicks at 25 yds.

You want to be low at 25 yards, not high.

Zero the elevation of your scope by counting how many clicks it takes from top to bottom of adjustment. It should be around 260 if I remember right.

Then count the clicks to go back to half of the 260 or whatever number you got. That is the center of adjustment.

If you bottom out the elevation and you are still high The scope might be the problem.

3 inches high at 25 yds = 3.5in x 16 clicks =56 clicks down. You should be close to bullseye at 100yds. Adjust from there.

It's hard to diagnose the issue with the given information. Are the last 3 shots fired without adjustments? Did they group together?

New Gun?? have you tempered the barrel good before you started to sight it in???? Push a cheap box of 20 rds thru it as fast as you can so it can heat the shite outta that barrel. Let it cool back down to ambient temp then sight it in the next day at 25yds to a dead perfect zero. Then step out to 50yds to just make sure the left and right are still on. it will be shooting a little higher than it did at 25 yds and that's good. Then out to 75yds. Rememeber your adjusting right and left don't worry about height yet. Then out to 100yds and it should be great left and right and about 4 inches high. Remember to let barrel cool down 5 to 10 minutes every second shot. This way your getting as close to a cold barrel shot as possible. then bring it down at 100 to where you like it. Usually .5" to .75" low at 25yds will put most deer calibers about 2.5" to 3" inches high at 100yds. Good luck and always temper a new barrel good. Has worked great for me for many years. Have several rifles that have been dead on accurate for 20+ years with minimal adjusting after its done right

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Browning X-bolt

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But I hear they are great for the money and completely infallible.

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Rifle break in is paramount in protecting thier life.

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But running 20 rounds of cheap shite quickly through the rifle to heat up the barrel is kind of dumb with modern manufacturing techniques. Especially on barrels that have been finish lapped.

Break in is less for the bore, and more the throat. The reaming marks left in the throat are across the lands. If you let copper build up in the bore every subsequent shot will make the copper harder to remove. This is why a lot of people do a break in to get the throat polished by using a one shot then clean procedure.

There is no one procedure to rule them all. I don't believe I have ever heard of shooting fast to generate heat but I suppose anything is possible.