Step-By-Step Guides On How To Shim A Rifle Scope For Elevation

How to shim a rifle scope for elevation? In the detailed article below, we outline the necessary supplies and the exact and standard implementation process!

How To Shim A Rifle Scope For Elevation

You want to change and improve your aiming range but can’t replace the new viewfinder right away. Then, shimming a rifle scope for elevation will be the best solution.

If you are looking for information on how to shim a rifle scope most effectively and accurately, then immediately refer to the following article.

  • Step 1 – Select the location and prepare the shims.
  • Step 2 – Remove the range from the ring.
  • Step 3 – Place Shims
  • Step 4 – Reset Range
  • Step 5 – Check
  • Step 6 – Experiment

The article will go into depth analysis of each step in this process and related content. Let’s check it out!

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How To Shim A Rifle Scope For Elevation?

Shim A Rifle Range

Shim A Rifle Range

In some emergencies, you want to improve your shooting range but can’t change your scope yet. At that time, you need to have a plan to shim a rifle scope for elevation accordingly. Please refer to the following information to learn more about doing it.

Some Things You Will Need

First of all, you need to note some tools and tools that you should prepare to shim a rifle scope to improve the best aiming range. Specifically, the necessary items include:

Mounted Rifle range

As we know, shimming is an emergency solution that improves the range of your rifle, but in the long run, it can damage your barrel.

Therefore, it is best to use the control rings or a remarkable sight to increase the view for a shot that already has a viewfinder.

Hex Wrenches

Hex Wrenches

Hex Wrenches

This tool will help you get rid of the pre-installed ring on your rifle for advanced adjustment to suit your needs.

Supplies for Shims

You should choose items with a solid, straight, and thin structure to improve your aiming range. Some materials that you can refer to include paper, light aluminum, plastic sheet, and more.


Drag tool

Drag tool

A sharp pair of scissors is an indispensable tool because it will help you cut the object to the right shape and size for the position between the scope and ring.

And finally, do not forget to bring a specialized tool to check if the aiming range has been correct after Shim.

Implementation process

To better understand the most accurate and effective How to shim a rifle scope for elevation, please refer to the detailed step-by-step procedure as follows:

Step 1 – Select the location and prepare the shims.

First of all, you need to check the shims and determine where to place the shims so that you can choose the right material and size. Then, cut adjust the wedge to fit that position to improve the aim accurately and firmly.

Step 2 – Remove the range from the ring.

Next, you need to remove yours by firing the gun bolt and using a hex wrench to remove the range from the rings and retain the bottom of the mounting rings with the gun.

Step 3 – Place Shims

Then proceed to place the prepared shims in the specified position. Ideally, you should only use about two shims at most.

Step 4 – Reset Range

The next step is to install the scope back in place of the rings. Note, there are shims below, so you need to cleverly fix them to connect tightly but do not affect the gun tube.

Step 5 – Check

Don’t forget to double-check the gun after splicing to ensure the parts are tight enough. At the same time, do not forget to check the aiming range to see if it is appropriate or not.

Step 6 – Experiment

Before you start hunting, you should experiment with aiming after shimming a scope for elevation. If everything is stable and suitable, you can begin your hunting journey.

If you get the aiming range still unsatisfactory, repeat the steps for the best adjustment. Note, if the viewfinder is still low, you can consider choosing a wedge with a slightly larger thickness.

You can watch this video for more:

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Can You Shim A Scope For Elevation?

You can completely shim a bound for elevation, as the content has shown. Yet, you should also only use this option in urgent cases. For example, in hunting, you need to change your sights suddenly, and the bound is slightly lower.

Shimming a scope is a temporary solution, but it can also affect your gun barrel. Therefore, it is best to replace the viewfinder with a new one right away to solve this problem completely.

Is It Ok To Shim A Scope?

The installation of additional shims to increase the range of fire in an emergency is an option many professional gun dealers still use. Therefore, it is a pretty good solution that you can apply.

However, pay attention during the implementation to ensure that the gun tube is always in the best condition.

Can I Shim Picatinny Rail?

Shim Picatinny Rail

Shim Picatinny Rail

The simple answer is yes. You can Shim Picatinny rail because you can also think of it as a long-range magnifying scope on a large-caliber rifle.

Therefore, in case the Picatinny rail is not suitable, or you want to improve the shooting range, you can use some unique materials to Shim.

How Low Should You Mount A Rifle Scope?

In addition, another topic that people are also interested in is the limit to fit the range of guns.

In general, most people want to install a seepage bound that doesn’t contact the barrel. Specifically, you should use low rings if the viewfinder is 50mm or smaller with the objective lens size.

Meanwhile, it would help to use medium rings for 50mm and larger objective sizes. When the accurate lens size is 56mm, you should use high rings.


In short, in some emergencies, you are required to shim a rifle one to increase your aiming range. However, you should note that this option is only a temporary solution, and it is better to replace the viewfinder with a new one when conditions permit.

Hopefully, with the information we have provided, you can better understand how to shim a rifle scope for elevation accurately and effectively.


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