If you want to use an MRAD scope effectively, you need to know how to measure, adjust, and estimate distances with the mil system. The MRAD (milliradian) scope is popular with hunters, target shooters, and military users because it gives precise control for long-range shooting. Understanding how the MRAD system works can help you make accurate shots, even in challenging conditions.
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What Is An MRAD Scope?
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An MRAD scope uses milliradians to measure angles. One milliradian is 1/1000 of a radian, and there are about 6.28 radians in a circle. Most scopes divide the view into “mils,” and these marks help you measure distances and adjust your aim. Mil-dot reticles are common, with dots spaced one mil apart.
How MRAD Compares To Moa?
Some shooters use MOA (Minute of Angle) instead of MRAD. Both are angular measurements, but they have different scales. Here is a comparison:
| System | 1 Click Adjustment | 1 Unit at 100 Yards |
|---|---|---|
| MRAD | 0.1 mil | 3.6 inches |
| MOA | 0.25 MOA | 1.047 inches |
Most scopes with mil adjustments move the point of impact by 0. 1 mil per click, which is about 0. 36 inches at 100 yards.
How To Use An MRAD Scope
Using an MRAD scope means using the reticle and turrets for range estimation, holdovers, and corrections. Here’s how to use the main features:
Range Estimation
The mil system helps estimate how far a target is. If you know the size of your target, you can use the reticle marks to calculate the distance. The formula is:
Distance (yards) = (Target Size in Yards × 1000) / Mils Measured
For example, if a deer is 1 yard tall and measures 2 mils in your scope:
- Distance = (1 × 1000) / 2 = 500 yards
Adjusting For Bullet Drop
When shooting at long range, bullets drop due to gravity. MRAD scopes let you adjust for this by dialing the elevation turret. Most scopes use 0. 1 mil per click.
Suppose your ballistics app shows a 2. 5 mil drop at 600 yards. Turn your elevation turret up by 25 clicks (2. 5 mil / 0. 1 mil per click). Now your point of aim matches the bullet’s path.
Wind And Moving Targets
Wind can push bullets sideways. Use the horizontal (windage) turret or holdover with the reticle’s mil marks. If the wind chart says 1. 2 mils, hold 1. 2 mils into the wind using the reticle.
For moving targets, estimate how far they will move during the bullet’s flight. Lead the target by holding the correct number of mils in front.
Advantages Of Using MRAD Scopes
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MRAD scopes are popular for several reasons:
- Faster calculations: The 0.1 mil system is easy for quick math, especially under pressure.
- Consistent adjustments: The mil system matches many ballistic apps and military guides.
- Easier teamwork: Most competitive and tactical shooters use mils, so sharing corrections is easier.
Choosing The Right MRAD Scope
Not all scopes are the same. Here are key features to compare:
| Feature | Why It Matters |
|---|---|
| Reticle Type | Helps with aiming and range estimation |
| Turret Precision | Determines how accurately you can adjust |
| Glass Quality | Affects clarity, especially at long range |
| First/Second Focal Plane | Controls if reticle size changes with magnification |
First focal plane reticles keep mil spacing true at all zoom levels. Second focal plane reticles only keep mil spacing true at one magnification, usually the highest.
Common Mistakes And How To Avoid Them
Many new users make errors when starting with an MRAD scope:
- Measuring at the wrong magnification: If using a second focal plane scope, only measure mils at the specified power.
- Confusing mils and MOA: Don’t mix up the adjustments or you’ll miss shots.
- Forgetting to reset turrets: After dialing for a shot, always return turrets to zero to avoid errors on the next target.
- Not confirming target size: Guessing the target’s size can lead to big mistakes in range estimation.
A useful tip: Practice range estimation on objects with known sizes before heading to the field.
Real-world Example
Suppose you’re hunting and spot a coyote. You know a coyote’s chest is about 12 inches (0. 33 yards) tall. Through your MRAD scope, the chest measures 1. 5 mils.
- Distance = (0.33 × 1000) / 1.5 = 220 yards
If your bullet drops 0. 6 mil at 220 yards, dial up your elevation turret 6 clicks (0. 6 mil / 0. 1 mil per click) or hold 0. 6 mils over using the reticle. This method lets you take accurate shots without a laser rangefinder.
Practical Tips For Better Results
- Use a good ballistic app that supports mils for fast calculations.
- Write down common target sizes and mil values in a field notebook for quick reference.
- Practice using the reticle to measure objects at different distances.
- Always check your scope’s manual for the correct measurement magnification.
Even experienced shooters sometimes forget to check if their scope uses first or second focal plane reticles, leading to mistakes. Always confirm before using the mil marks for range or holdovers.
Frequently Asked Questions
What Is A Milliradian In Shooting?
A milliradian (MRAD) is an angular measurement used to estimate distance and adjust shots in scopes. One mil is 1/1000 of a radian, and at 100 meters, one mil covers 10 centimeters.
How Do I Know If My Scope Uses First Or Second Focal Plane?
Check your scope’s manual or the manufacturer’s website. If the reticle grows or shrinks when you zoom, it’s likely first focal plane. If it stays the same, it’s second focal plane.
Can I Use An MRAD Scope For Hunting?
Yes, MRAD scopes are excellent for hunting, especially at long ranges. They help estimate distance and correct for bullet drop and wind.
How Do I Switch From Moa To MRAD?
You need a scope with MRAD turrets and a mil-based reticle. Also, use ballistic data in mils. It takes some practice to get used to the new system.
Are MRAD Scopes Better Than Moa Scopes?
Neither is strictly better; it depends on your preference. MRAD is popular with professionals for faster math and teamwork, while MOA is common in the US. Both systems are accurate when used correctly.
Final Word
An MRAD scope can improve your accuracy and confidence at long range if you practice using its features. With some training, the mil system becomes a simple and powerful tool for any shooter.
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