Your Cool Home is supported by its readers. Please assume all links are affiliate links. If you purchase something from one of our links, we make a small commission from Amazon. Thank you!
Putting a scope on a Daisy BB gun is a straightforward project that most people can complete in under thirty minutes with just a few basic tools.
If you’ve been wondering how to put a scope on a Daisy BB gun, you’ll be happy to know that most Daisy models come with a built-in dovetail rail or grooves that accept standard scope rings.
This means you can mount a scope on a Daisy BB gun without any drilling, gunsmithing, or permanent modifications.
In this post, we’ll walk you through the exact steps to put a scope on a Daisy BB gun, talk about what type of scopes work best, and share some common mistakes to avoid so your shots stay accurate and your gun stays in great shape.
Let’s dive right in and get that optic mounted.
Why You Can Put a Scope on a Daisy BB Gun
You can put a scope on a Daisy BB gun because the design of these guns was made with customization in mind.
Most Daisy air rifles, like the popular Model 880 or the Powerline 901, feature an 11mm dovetail receiver that works with standard airgun scope rings.
This dovetail rail is the same type you’d find on many high-end air rifles, which means you have plenty of aftermarket options when you decide to put a scope on a Daisy BB gun.
Check Your Daisy Model First
Before you start, flip your Daisy BB gun over and look at the top of the receiver.
If you see two parallel grooves running along the length of the metal, you have a scope rail.
If you don’t see those grooves, you’ll need a rail adapter, but the vast majority of modern Daisy BB guns have the grooved receiver already machined in.
Even older models from the 1980s and 1990s often have these grooves, so you can put a scope on a Daisy BB gun that’s been sitting in your closet for decades.
Tools You’ll Need for the Job
You don’t need a fancy workshop to put a scope on a Daisy BB gun.
Grab a Phillips head screwdriver, a small Allen wrench set, and maybe a flathead screwdriver for adjustments.
You’ll also want a soft cloth to protect the finish of your gun while you work, because scratches happen fast when you’re juggling tools and scope rings.
And of course, you’ll need your scope and the included ring mounts, but let’s talk about choosing the right scope first.
Choosing the Right Scope to Put on a Daisy BB Gun
The right scope makes all the difference when you put a scope on a Daisy BB gun.
You don’t need a high-powered hunting scope, you need something designed for airguns or even a basic rimfire scope.
Magnification That Makes Sense
A 4×32 scope is the classic choice for a Daisy BB gun because it gives you clear magnification without being too heavy or bulky.
You can also use a 3-9×40 scope if you want more versatility for longer shots across your backyard.
The key is to keep magnification moderate, because too much zoom makes it hard to hold steady, especially with a lightweight BB gun.
That’s why most shooters choose a fixed 4x or a low-range variable scope when they put a scope on a Daisy BB gun.
Avoid Spring Piston Rated Scopes
Here’s a tip that might surprise you: don’t buy a scope that’s rated only for spring piston air rifles.
Daisy BB guns are usually multi-pump pneumatics or CO2 powered, so they produce very little recoil.
A standard airgun scope for recoiling springs will work fine, but it’s really overkill.
What you want is any decent quality scope that holds zero, and even a budget 4×32 from a brand like UTG or Winchester will do the job.
The important thing is that the scope has a dovetail mount or that you buy compatible rings that fit the 11mm rail on your Daisy.
Ring Size and Height Matters
When you put a scope on a Daisy BB gun, the rings you choose will determine how the scope sits.
Low rings work best for most Daisy BB guns because the receiver is already low, and high rings will force you to lift your cheek off the stock.
Medium rings are also acceptable if your scope has a larger objective lens.
Just make sure the rings are made for an 11mm dovetail, not the larger Weaver or Picatinny rails, unless you’re using an adapter.
Step-by-Step Guide to Put a Scope on a Daisy BB Gun
Now let’s get to the actual mounting process.
Follow these steps carefully and you’ll have your scope on a Daisy BB gun in no time.
Step 1: Unload and Clear the Gun
Safety first, always.
Before you do anything, make sure your Daisy BB gun is unloaded and that there’s no BB in the chamber or magazine.
If it’s a CO2 gun, remove the cartridge.
If it’s a multi-pump, leave it depressurized.
You never want to work on any gun, even a BB gun, while it’s ready to fire.
Step 2: Attach the Rings to the Rail
Take your scope rings and loosely attach the bottom halves to the dovetail rail on your Daisy BB gun.
Don’t tighten them yet, just snug them enough so they don’t slide around on their own.
Make sure the ring halves are evenly spaced so your scope will sit centered over the receiver.
This is a good time to test fit and see how the setup looks before you commit.
Step 3: Set the Scope in the Rings
Place your scope into the bottom halves of the rings.
Position it so the eyepiece is far enough back that you can get a full field of view when you shoulder the gun, but not so far that it hits your eyebrow.
A good rule of thumb is to leave about two to three inches between your eye and the scope’s rear lens.
One common mistake when you put a scope on a Daisy BB gun is mounting it too far forward, which makes it awkward to use.
Step 4: Tighten the Ring Tops
Place the top halves of the rings over your scope tube and thread the screws in.
Tighten them in a crisscross pattern, a little at a time, so the pressure is even on both sides.
Don’t crank them down with all your strength, because overtightening can crush the scope tube and ruin your optic.
You want them snug enough that the scope won’t slide, but not so tight that you strain the screws.
Step 5: Align and Level the Scope
This is the step most people skip, but it’s crucial for accuracy.
Look through the scope and check that the horizontal crosshair is perfectly level with the horizon.
You can use a small bubble level that attaches to the scope, or just eyeball it against a door frame or roofline.
Once your crosshairs are level, tighten the rail screws completely to lock everything in place.
Step 6: Final Checks
Now give all the screws one final check, make sure they’re all secure.
Then cycle the action a few times and ensure the scope doesn’t interfere with cocking or loading.
If everything looks good, you’re ready to zero your new setup.
Zeroing Your Scope After You Put a Scope on a Daisy BB Gun
Mounting is only half the job, you also need to zero the scope so your shots land where the crosshairs point.
Start Close and Adjust
Set up a target at about 10 yards and shoot a small group.
See where your BBs are landing compared to your point of aim.
Use the windage and elevation turrets to adjust the point of impact.
Typically, you’ll turn the turrets in small increments, shoot again, and repeat until your groups are centered.
Since Daisy BB guns have a bit of shot-to-shot variance, don’t chase every single BB, focus on the overall group center.
Check Your Eye Relief
While you’re sighting in, pay attention to your eye relief.
If you see a black ring or shadow around the edge of the sight picture, your scope is too far forward or back.
Slide it slightly in the rings until the image is clear and full.
You can do this even after tightening, just loosen the ring top screws a bit, reposition, and retighten.
So, How Do You Put a Scope on a Daisy BB Gun?
You put a scope on a Daisy BB gun by attaching 11mm dovetail rings to the receiver rail, seating your scope, and leveling it properly.
The process is simple, tool-friendly, and doesn’t require any permanent changes to your gun.
Just remember to use compatible rings, avoid overtightening, and spend a few minutes zeroing in your new optic.
Now that you know exactly how to put a scope on a Daisy BB gun, grab your tools and give it a try.
Your backyard plinking accuracy will thank you.