Crossfire II 4-12x40 AO

Crossfire® II
4-12x40 AO

Crossfire II 4-12x40 AO is rated 4.8 out of 5 by 70.
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MSRP $229.99


High performance meets economical. Clear, tough, and bright, our popular Crossfire II line is built to exceed the performance standards of similarly priced riflescopes. Long eye relief, a fast-focus eyepiece, fully multi-coated lenses, and resettable MOA turrets are hallmarks of the series.

Build Your Own Custom Turret - Kenton Industries

Magnification 4-12x
Objective Lens Diameter 40 mm
Eye Relief 3.9 inches
Field of View 24.7-8.4 ft/100 yds
Tube Size 1 inch
Turret Style Capped
Adjustment Graduation 1/4 MOA
Travel Per Rotation 15 MOA
Max Elevation Adjustment 50 MOA
Max Windage Adjustment 50 MOA
Parallax Setting 10 yards to infinity
Length 13.6 inches
Weight 19.2 oz




Fully Multi-Coated Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.
Second Focal Plane Reticle Scale of reticle maintains the same ideally-sized appearance. Listed reticle subtensions used for estimating range, holdover and wind drift correction are accurate at the highest magnification.


Tube Size 1 inch diameter tube offers a versatile blend of adjustment, size and weight for a wide variety of shooting applications.
Single-Piece Tube Maximizes alignment for improved accuracy and optimum visual performance, as well as ensures strength and waterproofness.
Aircraft-Grade Aluminum Constructed from a solid block of aircraft-grade aluminum for strength and rigidity.
Waterproof O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments.
Fogproof Nitrogen gas purging prevents internal fogging over a wide range of temperatures.
Shockproof Rugged construction withstands recoil and impact.
Hard Anodized Finish Highly durable hard-coat anodization provides a low-glare matte surface and helps camouflage the shooter's position.
Adjustable Objective Adjustment for riflescope's objective lens provides image focus and parallax removal.


Fast Focus Eyepiece Allows quick and easy reticle focusing.


Please select Reticle.



Rated 5 out of 5 by from Fantastic Scope This was my first Vortex scope and mounted it on an 18" 5.56 build with 1" Vortex high rings. Mounted very easily and zeroed even easier. This scope is crystal clear and is well built. Bought this for the price and unmatched VIP warranty. Four months after original zeroing it is still dead on. My son came home from NYC for a visit and we went to the range. He took the first shots.....3" AR500 knock-down targets at 200 yards.....5 shots and 5 direct hits. This is a great scope. Vortex has a new life-long customer. My next Vortex is going to be the Sparc ll for my new 10.5" 300 Blackout build. Great scope, great company, great warranty.
Date published: 2017-06-15
Rated 4 out of 5 by from Good value in a value priced scope Bought a Crossfire II 4-12x40AO scope for a 7mm-08. (Aging eyes need a little more zoom). Clarity is great even at the glass edges. The MOA adjustments surprised me as they were spot on when an adjustment was needed during sight in. Ten clicks moved the POI 2.5" @ 100 yds, really good for a lower end priced scope. My only complaint is the sight picture gets a little smaller at the higher zoom levels. At 11-12 power you need to get your eye in just the right place to see a full view through the scope. Overall the scope works fine for me and I would recommend this scope to anyone who doesn't want to spend a lot on a good accurate, clear riflescope.
Date published: 2018-03-02
Rated 5 out of 5 by from Awesome optic, especially considering the price! I bought an .17HMR last year and it came with a cheapy 3-9x40 scope. Well, I fell in love with shooting that little rimfire and felt I could shoot sub-MOA with a better scope. I'm so impressed with this Crossfire II that I'm looking at getting another for my .30-06! It's bright and clear, and everything is crisp well past 200 yds. The eye relief is great even cranked up to 12x, and the sight stays sharp, I can see the holes in the paper at 100 yds. Like I said, I'm looking at buying another for my hunting rifle, it seems durable enough to go through the elements with me during fall hunting.
Date published: 2017-06-15
Rated 5 out of 5 by from Excellent scope for a great price! I bought the Crossfire 2 4x12x 40AO over a year ago to replace the cheap quality scope that came on my Savage Axis 30-06. The former scope was too weak on glass clarity, and overall durability to be paired with a 30-06 it was too much rifle for it. After extensive searching, reading reviews, and comparing prices I finally decided on my new scope. After adjusting the focus to my eyes I fell in love with this scope. For the price range I believe it is almost impossible to find a competitors scope that is this good. The glass is really clear, and sharp, and it is extremely easy to adjust. I can look at targets 400 yards away with surprising details. My one, and only complaint on this scope is that it isn't manufactured in the United States.
Date published: 2018-03-02
Rated 5 out of 5 by from So real to life...It is This is my first Vortex product and might I say not soon to be the last. I was urged by my brother and cousin who are both firm believers in the Vortex line to give it a try. My first impression was how unbelievably strong the shell itself was. Then at first glance through the optics I was sold, it was like looking at everything that was once out of reach, fuzzy, and not quite right in crystal clear view. It was if I could reach right out and touch it. Never again will I waste my time or money on lesser quality optics, and with the Vortex warranty how could you go wrong?
Date published: 2017-06-15
Rated 5 out of 5 by from So much for so little! I recently purchased the Vortex Crossfire II 4-12 x 40, to top off my Remy 700 in 270. I own two other scopes in the Crossfire line and this is what led me to choose this scope. The quality and features Vortex offers are, I believe, not matched by anyone else even close to Vortex price points. It all started with my first Vortex product and now 5 Vortex optics later, you could absolutely classify me as a proud Vortex fanboy! I love the Vortex BDC reticle it isn’t fussy and annoying, just helpful when you need it. The optics are clear and the adjustments tactile. The included sunshade is a real bonus and was of great value on my recent Pronghorn hunt. Thank you Vortex for giving the average blue collar working man, so much quality for a realistic price!
Date published: 2018-10-02
Rated 5 out of 5 by from Awesome quality and support makes Vortex my "Go To" optic. I bought this scope for my AR-15 build. I had it zeroed at 50 yards in 3 rounds. The optics are very clear and bright and for the money I believe it's an excellent scope. I can't wait to get it out to the 300 yard range. It comes with a 4 inch long sun shade that works well. I liked it so much I bought one for my wife's AR I built. She loves the scope too, though I think she would prefer the less busy V-Plex reticle. I alos have one on my CZ452 American.The no questions asked Vortex life time warranty makes this an excellent scope for those wanting to shoot longer distances.
Date published: 2017-06-15
Rated 5 out of 5 by from Crossfire II 4-12x40 I've come to love my vortex products, unbeatable warranty and great glass. I've had this scope for 3 seasons. It holds up to the beating it gets in the gun scabborn mounted on the trusty horse. This scope is a great buy for someone that doesn't have the funds for the higher ends models, which are priced very fairly, for what you get. When I get another barrel for my Thompson Center I most definitely will be mounting it with another vortex scope. I had an older Leopold scope on another rifle of mine, for half the price this scope definitely beats it.
Date published: 2017-06-15
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