Understanding How Ring Height Matters
Why Ring Height is Important
The precision and accuracy of your shots depend on more than just the quality of your scope. Equally important is how securely that scope is mounted to your rifle. One crucial aspect of a successful scope setup, especially when dealing with a scope with a large objective lens like a *50mm scope*, is selecting the right ring height. This seemingly small detail can have a significant impact on your shooting experience, affecting everything from barrel clearance to the comfort and consistency of your cheek weld. Choosing the wrong ring height can lead to frustration, reduced accuracy, and even damage to your equipment. This guide delves into the intricacies of ring height, offering practical advice and insights to help you make the right choice for your 50mm scope.
Let’s start with the basics: what exactly is “ring height,” and why does it matter? Ring height, in simple terms, refers to the vertical distance measured from the base of the scope rings, where they attach to your rifle’s mounting rail, to the bottom of the scope tube. It is a crucial measurement because it determines how high above the barrel your scope sits. This, in turn, directly influences several key factors related to shooting performance.
A properly chosen ring height ensures that your scope clears the barrel, allowing you to see your target unimpeded. A scope that sits too low can contact the barrel, potentially causing damage and drastically impacting your point of impact. On the other hand, a scope mounted too high can create other problems, such as an awkward shooting posture.
One of the most critical aspects that ring height influences is the shooter’s cheek weld. The cheek weld is the consistent contact between your cheek and the rifle’s stock when you bring the rifle up to your shoulder. A proper cheek weld allows you to look through the scope consistently, ensuring that your eye is correctly positioned for optimal sight picture. A poorly-fitted ring height forces the shooter to crane their neck or raise their head unnaturally, making consistent cheek weld difficult, leading to inconsistent shots and fatigue.
Important Aspects That Affect Choice
Factors to Consider
The ideal ring height is not a one-size-fits-all solution. Several factors come into play, making the selection process a little more involved. Understanding these factors is crucial for making an informed decision that will optimize your shooting setup.
The type of rifle you are using is a significant determinant of appropriate ring height. For instance, bolt-action rifles often require more vertical clearance to accommodate the bolt handle’s movement during cycling. Failing to provide sufficient clearance will lead to the bolt handle hitting the scope or rings, making operation difficult or impossible.
Modern sporting rifles (MSRs), often referred to as AR-15 or AR-10 platforms, frequently utilize a raised Picatinny rail. Because the rail is often higher than traditional mounting systems, you might need different ring heights compared to other rifle types. The design of the upper receiver also needs to be considered.
Even the scope itself plays a role in your choice. The scope’s tube diameter, which is the diameter of the main tube body, is a key consideration. Common sizes include one-inch, thirty millimeter, and thirty-four millimeter tubes. The tube diameter affects the internal clearance of the rings and the overall height needed for the scope. A larger tube requires more space within the rings.
Furthermore, the objective lens, especially a *50mm scope*, directly affects ring height selection. A larger objective lens requires more vertical clearance above the barrel to avoid contact. The overall length of your scope can also matter, as it influences how far forward or backward you can position the scope on your rifle to achieve proper eye relief.
The mounting rail system you choose also influences your decision. Picatinny rails are the most common standard today, offering a versatile and robust mounting platform. Weaver rails are another option, though less prevalent. Different rail systems often have varying heights and specifications, influencing the ring height you need.
Lastly, consider your own shooting preferences and build. The length of your neck, the shape of your face, and your preferred shooting position will all impact the ideal ring height for you. If you primarily shoot from a prone position, a slightly lower ring height might be more comfortable. If you shoot primarily from a benchrest position, you may find that a slightly higher ring height is preferable.
Finding the Perfect Fit: A Guide
How to Select the Right Height
Choosing the right ring height for your *50mm scope* is a manageable process when broken down into manageable steps. Follow this guide to find the sweet spot for your setup.
The first step is to measure the distance between the top of your rifle’s barrel and the top surface of the mounting rail. This measurement is vital because it tells you how much vertical space exists before the scope touches the barrel. You can use a digital or regular caliper to measure this distance precisely.
Next, consider the size of your scope’s objective lens. A *50mm scope* requires more clearance than a scope with a smaller objective lens.
Now, calculate the minimum ring height required to clear the barrel. The formula is simple: take the radius of the objective lens (objective lens diameter / 2) and add the measured distance between the barrel and the rail. For example, if your barrel-to-rail distance is 1.0 inch, and your *50mm scope* has a 50mm objective lens (approximately 2 inches), you’ll need at least 1 inch (the radius) + 1.0 inch (barrel-to-rail) = 2.0 inches of clearance.
It is important to remember that the diameter of the scope’s tube also impacts the necessary ring height. Ensure you choose rings with an internal diameter that matches your scope’s tube diameter. If you use rings that don’t match your scope’s tube diameter, the scope will not fit or be held securely.
Once you’ve determined a theoretical minimum height, it’s time for a dry fit. Mount the scope in the rings and carefully place it on the rifle, without tightening the rings. Check for any signs of contact between the scope and the barrel.
Now comes a crucial step: the cheek weld test. Bring the rifle up to your shoulder as if you were going to take a shot. Close your eyes and bring the rifle up naturally to your shoulder and cheek. Then, open your eyes and look through the scope. If you find yourself straining to get a clear sight picture, or if you’re unable to see the full scope image without moving your head, the ring height is likely incorrect. Experiment with different heights if possible, to find the perfect fit.
Finally, consider the ergonomics of your setup. Does the ring height allow you to maintain a comfortable and repeatable shooting position? Are you able to acquire your target quickly and naturally?
Types of Rings
Materials and Construction
Scope rings are available in many styles and made from a variety of materials. Understanding the different options will help you make an informed choice.
Aluminum rings are a popular choice, known for their lightweight properties and resistance to corrosion. Aluminum rings are often cost-effective, making them attractive for many shooters.
Steel rings, on the other hand, are generally stronger and more durable than aluminum. They’re also more resistant to impacts and wear. However, steel rings are typically heavier than aluminum rings.
The choice of ring material depends on your shooting style, budget, and the intended use of your rifle. For general-purpose shooting, aluminum rings often suffice. For rugged use and applications where durability is paramount, steel rings might be more appropriate.
Helpful Tips for Mounting and Maintenance
Installation and Care
Proper installation is crucial for optimizing your shooting setup. Here are some essential tips for mounting your *50mm scope* with the selected rings:
Ensure that you tighten the scope ring screws to the manufacturer’s recommended torque specifications. Overtightening can damage the scope or the rings, while under-tightening may lead to a loose scope. Use a torque wrench to ensure correct tightening.
Leveling your scope is critical to achieving accuracy. There are various methods for leveling a scope, including using a bubble level, a scope leveling kit, or simply using a plumb line.
Proper scope alignment is just as vital as ring height. Make sure the scope is mounted correctly, following the directions from the manufacturer.
If you’re pursuing the ultimate precision and you want to ensure there are no issues with alignment, lapping your scope rings can be helpful. Lapping the rings involves using an abrasive material to refine the interior surfaces of the rings, ensuring they are perfectly aligned and providing better contact with the scope tube.
Addressing Common Issues
Troubleshooting Problems
Even with careful planning, you may encounter some issues when mounting a *50mm scope*. Here’s how to address some of the most common problems:
If your scope is touching the barrel, you will need to switch to a higher ring height. This is a common problem and is easily remedied with a quick adjustment.
If you are finding it difficult to get a consistent cheek weld, consider adjusting the ring height or the stock. Experiment with both to find the position that feels most natural and comfortable.
If your scope won’t align properly, check for any obstruction in the rings or the base. Also, make sure you are using the right size rings for the scope tube.
If you cannot zero your scope, several factors could be to blame, and ring height may be a factor. Check for proper alignment and for contact between the scope and the barrel. If there is any physical interference, you will be unable to sight in the rifle.
Concluding Thoughts
Final Remarks
Choosing the right ring height for your *50mm scope* is a critical step in optimizing your shooting setup. By carefully considering the various factors discussed in this article, and applying the provided methods and tips, you can find the ideal ring height to ensure proper barrel clearance, a comfortable cheek weld, and ultimately, enhanced accuracy and shooting enjoyment. Investing the time to choose the right ring height is an investment in your overall success as a shooter.
Remember to take your time, perform the necessary measurements, and be willing to experiment until you achieve the perfect fit. Selecting the right ring height is the key to a comfortable and accurate shooting experience.
