Home Value Rifle Scopes & Optics DISCOVERYOPT MS 3-12X42AOAC SFP-MOA Diameter:25.4MM Optics Scopes
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DISCOVERYOPT MS 3-12X42AOAC SFP-MOA Diameter:25.4MM Optics Scopes

DISCOVERYOPT MS 3-12X42AOAC SFP-MOA Diameter:25.4MM Optics Scopes

$69.99 USD
$69.99 USD
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// POLICY
Product Guarantee & Shipping Policy

🚀 Time: 10-15 business days for global destinations.

We have facilities in the USA, UK, EU, and China. Your order is dispatched from the facility nearest to you.

Lifetime Warranty: ALL riflescopes,rings,mounts.

2-Year Warranty: Thermal devices.

Return or exchange within 30 days of delivery if it meets our return criteria.

Vedeți detaliile complete
// TECHNICAL SPECIFICATIONS

MS 3-12X42

Model Name MS 3-12X42
Magnification 3-12X
Focal Plane SFP(Second)
Outside Diameter Objective 51MM
Tube Diameter 25.4MM
Illumination Red, 6 Brightness Settings
Length 12.4in(315mm)
Weight 18.5 oz(525g)
Click Value 0.25 MOA
Turrets and Functions Locking turrets
Elevation Adj. Range 80 MOA
Windage Adj. Range 80 MOA
FOV 37.9FT(11.6m)-11.0FT(3.4m)/100YDS
Exit Pupil 13.6-3.4MM
Eye Relief 3.0 in(7.5cm)-2.6 in(6.6cm)
Parallax 5-∞ YDS
Recoil Rating 5.56
Fog Proof Nitrogen Purged
Waterproof IP66
Battery CR2032
// RETICLE SIMULATOR
Visual Field Preview
Drag the slider to experience how the reticle changes with magnification.
Magnification
3-12X
SFP(Second)
ELEVATION ADJ. RANGE
80 MOA
MRAD Reticle
FFP · MRAD
--×
-- × MAG
--× — --×
FFP · Reticle
Field of View
--°
Exit Pupil
--mm
Twilight Factor
--
FFP Front Focal Plane: Reticle scales with target — subtensions remain accurate at all magnifications.
Objective
51MM
5-∞ YDS
WINDAGE ADJ. RANGE
80 MOA
// MOUNTING ASSISTANT
Ring Height Calculator
Select Firearm Platform and Objective Diameter · The System Automatically Calculates Clearance and Recommends the Optimal Mount Height
// 01 · SELECT RIFLE PLATFORM
// 02 · SELECT OBJECTIVE DIAMETER
// 03 · CLEARANCE RESULT
Scope Center → Bore Axis (estimated)
-- "
Select platform and objective
--
// 04 · RING RECOMMENDATIONS
// INSTALLATION NOTES
01 Use a torque wrench. Recommended ring screw torque is 15–18 in-lbs to prevent tube damage.
02 Before zeroing, ensure all screws are tightened in a cross pattern for even clamping force.
03 25mm tube requires 25mm rings. Do not mix with 30mm ring models.
MOUNT CALC ONLINE · MS 3-12X42 TUBE: 25mm · OBJ: 51mm DISCOVERYOPT © 2026

// VIDEO TUTORIALS

Videos

INSTALEI A LUNETA DISCOVERY MS 3-12X42 AOAC EM MINHA CARABINA 7022 - REVIEW DE PRECISÃO

Instalei a luneta Discovery MS 3-12X42 AOAC na minha carabina 7022: Review de precisão e desempenho. Veja como ela se comporta em diferentes distâncias e condições de tiro.
INSTALEI A LUNETA DISCOVERY MS 3-12X42 AOAC EM MINHA CARABINA 7022 - REVIEW DE PRECISÃO
02

INSTALEI A LUNETA DISCOVERY MS 3-12X42 AOAC EM MINHA CARABINA 7022 - REVIEW DE PRECISÃO

Instalei a luneta Discovery MS 3-12X42 AOAC na minha carabina 7022: Review de precisão e desempenho. Veja como ela se comporta em diferentes distâncias e condições de tiro.

// WHAT'S IN THE BOX

PACKAGE CONTENTS

  • Scope

    Scope

    ×1

  • Spec Card

    Spec Card

    ×2

  • User Manual

    User Manual

    ×1

  • Scope Sunshade

    Scope Sunshade

    ×1

  • Lens Cleaning Cloth

    Lens Cleaning Cloth

    ×1

  • Scope Coin

    Scope Coin

    ×1

  • No Scope Rings

    No Scope Rings

    ×1

  • Warranty Card &QC Card

    Warranty Card &QC Card

    ×1

  • Lens Cap

    Lens Cap

    ×1

// COMMON QUESTIONS

Got Questions?

We've gathered the most common questions from our customers. If you need anything else, our support team is always here.

We provide a Lifetime Full Coverage Warranty for selected products. If your product breaks or malfunctions, we will repair or replace it free of charge.

No registration or receipt is required. Your Discoveryopt product is automatically covered.

XED,ED,HD, andLHDseries are covered for life.

LHT,HT,HS,WG,MSseries, and thermal imaging devices have a 3-year warranty.

No, accessories are excluded. However, you can return them within 30 days of purchase for free.

Loss, theft, intentional damage, and cosmetic damage that does not affect performance.

Free repair or replacement if the product breaks or malfunctions. If it cannot be repaired, we will replace it with a new product of equal or better performance.

Simply contact our support team by email. No receipt is required.

In most cases, customers pay for shipping to our service center, and Discoveryopt covers the cost of returning the repaired or replaced product.

Processing times may vary, but we aim to handle all warranty claims as quickly as possible.

You can either find "Chat" in the lower left corner of the website to communicate directly with us or email us at 📧support@discoveryopt.com.

Our goal is to ensure you have a product that meets your needs. If you’re not satisfied, we will work with you until the issue is resolved.


Can't find what you're looking for? Our technical support team is ready to help.

Contact Support

Budget-friendly rifle scope offering clear optics and illuminated reticle at an affordable price. Customers praised the "very clear view" and easy setup. However, some reported concerns with glass quality beyond 75 yards, short eye relief, and unclear marketing about firearm compatibility. Best suited for air rifles and rimfire cartridges.

  • 5 stars: 5 (63%)
  • 4 stars: 2 (25%)
  • 3 stars: 1 (13%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
a
andrew h.
Very clear optics

Perfect for my air rifle

J
JT
Not bad at all

Pretty solid so far, I’m happy with it. I’ll update if anything changes, but it’s looking good at the moment.

E
Excellent S.c.
Air or firearm!

First, this is a sub$100 scope. So it's not going to be like a $500+ dollar scope. Not as sharp of a view. Not as crisp or repeatable on the settings. Second focal plane, not first. It's also a 44mm not a 50mm + objective.But, to say an airgun scope can't hold up to firearm recoil! Springer airguns have far worse recoil, and a reverse recoil that can destroy even some of the most expensive scopes for firearms. I think the only draw back to this scope on a firearm is the short eye relief. Just remember this if you are ordering this scope for a 308 or 30-06. On a 5.56 or 243 it can still be a great scope, and of course for rim fires. The short eye relief may be a problem on airguns 45 cal and up too. For a smaller, sfp, scope it's a great value.

F
Frev
Disapointed

I've got 2 of the HT 44mm scopes from discovery that I love so I thought I would try this new air rifle scope .My scope did not have a very clear or bright image. The eye relief was close and disappointing. The price of the scope is considerably less than the 100 to $120 range I paid for my two other Discovery scopes. I was hoping for more.It's probably worth the $60 but no more.

l
lawrence c.
Very clear optics and easy to set up

this is a nice scope with very clear view and is easy to dial in . it seems just a little heavy maybe that is a good thing from a durability point of view .

S
Stephanie
Not bad!

This is actually a decent scope! Packed very nicely. Easy to use. Easy to install. Nice clear view.I like the options of red or green illumination.Not top quality, but can’t beat it for the price!

G
Gilbert M.
A nice quality scope

WOW! I am surprised at the great quality and workmanship of this scope.This has all the features I want at an affordable price.The red/green reticle is great for different lighting situationsI am super pleased with this purchase, it works well on my AR rifle.

M
Mike
It’s good but some quality control issues

For what it is, it’s good. It will work for air guns and rim fire cartridges but I wouldn’t trust it for anything beyond that. Out of the box, quality looks nice. Finish is well done, turrets are nice with positive clicks, glass is clear. Eye relief box is a little unforgiving. You do need to be pretty close to get a proper view through the scope. The turrets are resettable to zero, just unscrew the locking cap and bit and you can move the zero. My turrets were off center, with the zero mark being a half notch off center. This can be correct your self but is very annoying.Overall it’s ok. May be better off getting a known quality brand but if you’re on a budget or just using it for range fun it’ll work just fine. Just know its limitations.

LIFETIME WARRANTY

Lifetime warranty on all riflescopes and a 2-year warranty on digital scopes

CUSTOMER SUPPORT

Email: support@discoveryopt.com

30-DAY RETURNS

Hassle-free returns within 30days.

FAST SHIPPING

Ships via in 3-10 businessdays with tracking.