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Diana 240 Classic, .177 cal

Features T05 Trigger

Diana 240 Classic, .177 cal

Only $149.99
  • List Price $219.99
  • availability In Stock
  • Code: AGD-41637953 · 0.177 cal · 580 fps ·
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Diana Model 240 Classic Air Rifle Features
  • Single-shot
  • Breakbarrel
  • Adjustable TO5 trigger
  • TRUGLO fiber-optic-sights
  • Straight classic hardwood stock
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  • ManufacturerDiana
  • Caliber0.177 cal
  • Velocity580 fps
  • ConditionNew
  • Ammo TypePellets
  • ActionBreak barrel
  • Barrel StyleRifled
  • Cocking Effort20 lbs
  • Fire ModeSingle-shot
  • Gun Weight5
  • Overall Length40
  • Barrel Length16.5
  • Loudness3-Medium
  • Magazine Capacity1
  • MechanismSpring piston
  • Rail11mm dovetail
  • SafetyAutomatic
  • Front SightsFiber Optic
  • Rear SightsAdjustable for windage and elevation
  • Trigger AdjustabilityTwo-stage adjustable
  • Trigger Pull2
  • UsePlinking & target practice
  • WarrantyLifetime limited warranty
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Diana 240 Classic, .177 cal
12 Reviews
50% (6)
33% (4)
17% (2)
0% (0)
0% (0)
92% Recommend this product (11 of 12 responses)
By Travis
Provo, UT
A great youth gun for adults also!
January 3, 2020
This is a nice, lightweight break barrel with the best trigger in its class. It cocks very easily, so a nine or ten-year-old boy will be able to cock it and it is very easy to shoot in general. Not much power for anything but plinking and shooting very small pests, but it is a great beginner gun, and even if you have a lot of airguns you may still appreciate this for its reliability and ease and fun of shooting.
ProsLightweight Easy to cock Great trigger Good accuracy
ConsLow power (but that's what makes it so fun to shoot!)
Best UsesPlinking and target practice. Teaching young person to shoot.
Rock Hill, SC
Great rifle for very reasonable price.
September 9, 2019
The fit and finish on the air rifle is perfect. It is very well built, well designed, and very accurate.
Ruth at Air Gun Depot was very knowledgeable and helpful when I had a question.
This is now my favorite air gun.
ProsVery high quality. Great price. Fast shipping.
Best Usesplinking and informal target shooting
By Jared
Oklahoma City
Super gun. Rear sight needs improvement.
April 12, 2019
First off this gun is VERY accurate for its price. At 10yrds dime sized groups are doable with everything stock and economy pellets. My one complaint is the rear sight. There is an adjustment screw that is held at tension with a spring that lays under the sight its self. If you press down on the sight or bump it the spring compresses and the TINY ball bearings that lay under the adjustment screw simply fall out. This is extremely annoying and pretty easy to do. Secondly the adjustment screw its self (at least on my gun) has to be screwed out to the maximum setting and on more than one occasion has jumped out during cocking. I am getting some aftermarket optics to put on it, and trying a lighter gr pellet. TL;DR Gun is very accurate, rear sight is poorly designed. Consider light <7.5gr ammo or aftermarket optic.
Pros-Gun is very accurate. -Mechanically feels very sturdy. -Easy to cock -Quiet shooting
Cons-Rear sight is poorly designed and is impossible to sight in with pellets 7.8 gr or more. -Butt stock is plastic and easily slips while shooting.
Best Usesplinking, small pest control.
By Big D.
Fresno Ca
Diana 240
February 28, 2019
Nicely crafted stock. Deep blueing on all metal T he triger is plastic but very crisp pull and release. Very happy with all aspects of the gun. Great for target practic and very accurate.
ProsTriger,stock and build quality.
ConsSome plastic parts but to be expected in this day and age.
Best UsesTarget practic.
By Jeff
Blown Away For $119 - Easy Tune
January 8, 2019
First let me say that I am a springer kind of dude and I own a Diana 34 that I have been tweaking on for several years. I have become very adept at accurizing all kinds of guns and I learned much of it working on the 34. But, as hard as learning curve was, the 34 is now shooting lights out like many of my guns. With that said, I wanted to try a lower power gun for indoor shooting and felt like I had the Diana tuning thing down, so...

Shoot about 250 pellets, take it apart, clean and re-lube to my specs, polish critical parts, add a thin sleeve for the spring guide, touch up seal, debur and soften sharp edges, polished a couple of trigger parts, re-crown barrel to my liking, bed stock with my special foam, CLP the ball detent spring (IMPORTANT), lube other pivoting parts, [NO DINO LUBE IN/AROUND/NEAR COMPRESSION CHAMBER!!!], Vibratite all the screws, go to sleep - it's 1:00 AM.

Wake up, shoot 50 more pellets, get chrono reads, mount UTG 4x32AO scope using RWS drooper mount, shoot 200 more, solve scope mount moving [just buy a good BKL mount and forget the stop pins - don't ask], test pellets, test stock torque values, back and forth, test barrel hinge torque values. Study pellet patterns and behavior, guesstimate harmonic curve (part art, part science), settle on final pellet and stock torque (JSB Exact RS - 10 in-lb front and rear), make final tweaks, shoot final groups, go inside because it's pretty much dark.

Final groups with JSB Exact RS were 2x 2-shot groups at 13 yards that both came in around .14"followed by 1x 2-shot group at 18 yards that was around .4", NOT adjusted for a 6 MPH cross-wind. Sorry I couldn't shoot more, but it was dark. However, this is pretty representative of what I was seeing all day while I was tuning.

Love it. Very happy and will enjoy the reduced weight shooting indoor silhouette.
ProsOut of the box it was a good shooter with the JSB Exact RS, H&N FTT, JSB Exact 8.44, Crosman Premier HP, and several others, though it wasn't real fussy about any of them except the RWS Superdomes. JSB Exact RS chrono'ed at 827 fps. The weight w/o scope is light and is very easy to hold and shoot free-hand. Quality seems very good and consistent with my other Diana. Average group size out of the box with virtually no tweaking was around 1.5" at 10 yards. Recoil is lighter than my 34. It was on sale for $119, yeah baby!
ConsFront sight was twisted slightly out of the box and the rear windage had to be adjusted way left - until I figured out I could just twist the front sight back where it needed to be. Like my other Diana, it needed some TLC and tuning to become "shooter". Also, it does not come with holes for the scope stop pins and I spent a few hours fighting a problem with the POI shifting traced back to the one-piece RWS mount microscopically shifting during recoil. I made my own stop pin holes - very expertly - and the problem disappeared. Out of box, and through about 250 pellets, the recoil was light-moderate but harsh and had the usual "twanginess" of an un-tuned springer. Ball detent almost seized up after several hundred pellets and closing barrel was really difficult AND it actually started to "pull" the detent retainer from the main tube - a little bit of CLP down around the detent spring and tapping the detent retainer back in solved that and it closed just fine afterward (and the accuracy got better).
Best UsesBack yard plinking, youth gun, very close up pest control, anything requiring you to shoot off-hand for long periods, target practice inside 25 yards, indoor silhouette.
By Ray
Yucca Valley, CA
Rust on the barrel
December 16, 2018
Right out of the box, I could see rust forming on the surface of the barrel. I quickly took a soft cloth and lite Ballistol
(oil)and wiped it down. I could clearly see a finger print in rust. Most of the rust came off, although it still "feels" rough where the finger print was. As the photos show, there is some pitting on the barrel that was hidden by the stock. Unfortunately, that damage cannot be fixed with oil and a cloth. I don't know where these were stored, but they have a moisture of humidity problem. I have not fired it yet. Seems like a cute little rifle. I'm going to do a more detailed review on my favorite form.
ProsPrice. It was on sale.
ConsRust on a new rifle!
Best UsesGift for a young person.
By Scott
Southeast Michigan
My First Springer
November 3, 2018
I'm 55 years old and just started to get into air guns. I bought the Diana 240 based on its reviews and price point. It was a good choice. The product has impressive quality for it's price and it's teaching me how to shot. I have a lot to learn and I'm glad I'm doing it with the Diana 240.
ProsExceptional value.
ConsFront sight seems a bit flimsy.
Best UsesEntry level gun to introduce yourself to break barrel rifles.
By Chad
Very Nice Youth Rifle
October 29, 2018
Purchased this gun for my 6 year old Grandson. The gun has a very nice stock, it cocks very easy, and it's a very accurate little gun. We haven't put a scope on it yet just using the open sights but it's not a problem shooting tins at 25 yards with the open sights. The very fine windage and elevation adjustments make it very easy to sight in. The fiber optic sights are very easy to see I do wish the front fiber optic was a bit smaller in diameter. The trigger is surprisingly nice for a gun in this price range as well. All and all this makes a very nice youth rifle.
ProsFiber optic sights - Nice trigger - Easy cocking - Very accurate - Nice looking stock
ConsFront fiber optic sight could be smaller in diameter
Best UsesPlinking and target practice
By Dan D.
Binghamton, NY
Nice gun for the money
October 19, 2018
The wood and metal were nicely finished.
T05 trigger was crisp, although a bit heavier than the T06 or Rekord.
Smooth cocking and lively shot cycle without being too jumpy.
Power was near factory specs.
Little or no twang.
Good groups with the iron sights.
Lots of good points about this gun for the money, but mine had a flaw in the lockup causing vertical stringing when scoped. AGD customer service was excellent and provided a return shipping label.
Although my 240 had a problem and I decided to upgrade to something more costly, the 240 has enough good points that I wouldn't steer someone away if they wanted to try one. AGD customer service will make things right if there is an issue.
ProsValue for the dollar. Fit and finish. Crisp trigger. Accurate barrel with iron sights. AGD customer service.
ConsPlastic sights. Lockup detente spring not easily serviced.
Best UsesNice gun for adolescents or smaller adults, but fun for everyone. Indoor shooting. Plinking. Informal target shooting. Small pest control.
By Greg H.
Burnsville, Minnesota
Great gun with a few flaws
November 30, 2017
I bought this to replace my/sons HW30 that was reclaimed by son.
Super trigger, equal to a match trigger, easy to cock, easy to shoulder, accurate as you would expect a Diana to be. Power is as you would expect (low) but fine for plinking.
THe downside for a back door gun, hard plastic butt plate ,plastic front site cover ,broke soon after receiving. Butt slid on hard floor, ergo broken front sight cover.
I have been buying from Airgun Depot for a few years now and they always take good care of me, quick shipping and well packed.
ProsAs above
ConsAs above
By Tommy
Heart of Dixie
Ideal plinker & informal target rifle
April 19, 2017
Easy to shoot well,and after about 300 shots operates smoothly. It was purchased for our basement Bell Target Range, using RWS Superdomes it's a little better than perfect. Proving to be a decent backyard plinker with a variety of pellets,too. It's quiet and isn't hold sensitive.
ProsFit and finish is amazing for a rifle in this price range,flawless!
By Mark
Columbus, Ohio
March 25, 2017
Best airgun I've ever had. This is perfect for closer range fun shooting without the accuracy problems associated with high power spring piston airguns. Cocking effort is a dream too. It's more than powerful enough for short to medium ranges; with all the newer "hot" lightweight ammo you can probably get 600fps on a regular basis when you want it. How nice would it be if Diana would do a cut down Kar98; 6 pounds, 550 fps...that would be perfect! Hint hint ...
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