What Size Scope Rings For 3-9x40?

What Size Scope Rings for a 3-9×40 Scope?

When you’re mounting a scope on your rifle, one of the most important decisions you’ll make is what size scope rings to use. The wrong size rings can make it difficult to get a good sight picture, and they can also damage your scope.

In this article, we’ll discuss the different factors you need to consider when choosing scope rings, and we’ll recommend some specific rings that are a good fit for a 3-9×40 scope.

We’ll also provide some tips on how to install your scope rings properly so that you can get the most out of your new optic.

So, if you’re ready to learn more about scope rings, keep reading!

Scope Ring Size	Objective Diameter	Eyepiece Diameter
1 inch	30 mm	40 mm
30 mm	30 mm	40 mm
34 mm	34 mm	40 mm

What are scope rings?

Scope rings are metal rings that mount a rifle scope to a rifle. They provide a solid and secure attachment point for the scope, and they also help to protect the scope from damage.

There are many different types of scope rings available, each with its own advantages and disadvantages. The type of scope rings you choose will depend on the type of rifle you have, the type of scope you are using, and your personal preferences.

Definition of scope rings

Scope rings are metal rings that are used to mount a rifle scope to a rifle. They are typically made of steel or aluminum, and they come in a variety of sizes and shapes.

Scope rings are typically mounted to the rifle’s receiver, which is the part of the rifle that houses the action. The rings are then secured to the receiver with screws or bolts.

Different types of scope rings

There are many different types of scope rings available, each with its own advantages and disadvantages. The most common types of scope rings are:

Low-profile rings: Low-profile rings are the most popular type of scope ring. They are typically thin and sit close to the rifle’s barrel, which helps to improve the rifle’s balance.
Medium-height rings: Medium-height rings are taller than low-profile rings, and they provide more clearance between the scope and the rifle’s barrel. This can be helpful for rifles with long scopes or for shooters who have a lot of eye relief.
High-profile rings: High-profile rings are the tallest type of scope ring. They provide the most clearance between the scope and the rifle’s barrel, and they are typically used with scopes that have a lot of eye relief.

Materials used for scope rings

Scope rings are typically made of steel or aluminum. Steel rings are more durable than aluminum rings, but they are also heavier. Aluminum rings are lighter than steel rings, but they are not as durable.

Features of scope rings

Scope rings come with a variety of features that can affect their performance. Some of the most important features to consider when choosing scope rings include:

Torque: The torque rating of a scope ring refers to the amount of force that can be applied to the screws or bolts without damaging the rings. A higher torque rating means that the rings can withstand more force, which can be helpful for rifles that are used in heavy recoiling calibers.
Elevation: The elevation of a scope ring refers to the height of the ring above the rifle’s receiver. This is important to consider when choosing scope rings for rifles with different barrel profiles.
Windage: The windage of a scope ring refers to the distance between the rings. This is important to consider when choosing scope rings for rifles with different scope tube diameters.

How to choose scope rings for a 3-9×40 scope?

When choosing scope rings for a 3-9×40 scope, there are a few factors you need to consider. These factors include:

The type of rifle you have: The type of rifle you have will affect the size and type of scope rings you need. For example, if you have a bolt-action rifle, you will need scope rings that mount to the rifle’s receiver. If you have a semi-automatic rifle, you will need scope rings that mount to the rifle’s barrel.
The type of scope you are using: The type of scope you are using will also affect the size and type of scope rings you need. For example, if you have a scope with a large objective lens, you will need scope rings that are tall enough to clear the lens.
Your personal preferences: Finally, your personal preferences will also play a role in the type of scope rings you choose. For example, you may prefer scope rings that are low-profile or high-profile, or you may prefer scope rings that are made of a particular material.

Factors to consider when choosing scope rings

When choosing scope rings, there are a few factors you need to consider. These factors include: