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Benjamin Discovery Air Rifle

Benjamin Discovery Air Rifle

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Action kit
0.177" (4.5mm)

Action kit
0.22" (5.5mm)

0.177" (4.5mm), 1000.0 fps
.177 caliber Benjamin Dual Fuel PCP & CO2 rifle.

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Continental USA. Orders $150+.
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1-year limited warranty

SKU PY-1543-2839


List Price $299.00 Save $39.05 (13%)

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  • Description
  • Specifications
  • Customer reviews
  • Q & A: 11 answered questions
  • PCP Hookup
  • feature iconBuilt & made in the USA
This version of the Discovery does not include a pump, tank, yoke or fill adapter. To connect your Discovery to a scuba tank, you'll need a scuba tank adapter with hose and a female quick-disconnect with male threads. The tank must have a K valve.

To exhaust air or CO2 from the rifle, you need to purchase the degasser tool.

Get into precharged guns at an unheard-of price and also get the accuracy of an expensive European rifle!

Benjamin has bridged the gap and taken the pain out of PCP guns. Not only is this as low a price as you'll ever find on a PCP rifle, but it's so easy to pump up that a wispy teenager could do it!

The Discovery has raised the bar for PCP guns because it uses only 2000 psi of air. While the European companies race toward higher and higher air pressures, Benjamin is going the opposite direction and making it easier than ever to use a hand pump. If you want to use a scuba tank or carbon fiber tank, you can do that, too, and get the benefit of many more fills than you would from a gun that operates with 3000 psi. The Discovery gives you a choice! The air reservoir is 135cc. The air tank has a male Foster fitting.

The gun comes with a hardwood stock, Williams fiber optic front and rear sights, and a built-in air pressure gauge.

When you open your box, you'll see easy-to-follow and easy-to-understand instructions that'll lead you step-by-step. If you're an experienced PCP user, you'll soon see that the Discovery is the easiest PCP you've ever used. If you're new to PCPs, you'll become a pro in just a few short steps.

If you want to switch to CO2, that's easy to do, but you'll need a degasser tool to quickly exhaust all the air before filling with CO2. Attach the optional CO2 adapter, connect it to a standard paintball CO2 tank and fill 'er up! Now, commence to shootin'!

With high-pressure air, you'll get up to 25 powerful shots before you need to pump up again. On CO2, you'll get a lot more shots per fill.

Click on the AMMO link for a list of recommended pellets. The ACCESSORIES link has a list of fun targets and safety gear you'll need.
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See manual

other products by Crosman > Benjamin

0.177" (4.5mm)
1000 fps
Fiber Optic
Adjustable for windage and elevation
11mm dovetail
Small game hunting/plinking
3.75 lbs
PCP and CO2
5.13 lbs
See manual

other products by Crosman > Benjamin

Create an online reviewand share your thoughts with other customers

Overall rating:5.0 5.0

Value for money:3.0 3.0

Accuracy:4.0 4.0

  By DAVID from USA on 2015-04-04
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0.00 ratings
Things I liked: Nice rifle. Light weight. I like having a choice between c02 and compressed air.
Things I would have changed:The price. A little pricey.
What others should know:Nothing.

Overall rating:5.0 5.0

Value for money:3.0 3.0

  By JOHN from USA on 2015-03-06
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0.00 ratings
Things I liked:Operates on low PSI, I liked my .177 so I bought the .22 also.
Things I would have changed:The 10 for $10 should check for leaks longer. My .22 will not hold air over 2-3 nights. I'm going to try some seal lube & see if that helps.
What others should know:Great air guns for the money! Shoots very good.

Overall rating:5.0 5.0

Value for money:5.0 5.0

Accuracy:5.0 5.0

  By Mike from USA on 2015-02-24
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0.00 ratings
Things I liked:This gun is extremely light weight. I love the power. It's the most accurate air rifle I have ever shot. It's loud.
Things I would have changed:just a higher shot count. Lots of pumping involved. An Included tin of benjamine pellets would have been great! It's loud ya need the two muzzle break.
What others should know:This is a great way to get into pcp. The cost was not bad. The included pump is an excellent value. Truely awsome. I can't do scuba mrod right now .kids in college and all that. So this was my option and I'm pleased. I will definantly hunt with this as it only gets 14-16 usable shots. But that's great for hunting. It's ok for plinking but get co2 adaptor. One does get tired of pumping.
Show Other ReviewsCreate an online review and share your thoughts with other customers
  • James from USA asked:

    Im looking for an adaptor that will allow me to fill my gun with an 88 gram co2 prefilled tank.I have a remote hose with the 3/8 female end but cant attach an 88 gram co2 tank to it with the ability to turn it on and off.

    • Dan the Man from USA:

      There currently is no such adapter. You need to use refillable co2 canisters.

  • matee from USA asked:

    my discovery cannot fill air because when I fill it leak to my vent . what should I do.

    • Dan the Man from USA:

      Contact Crosman at 1-800-724-7486 and tell them about the problem.

    • Tyler from USA:

      Contact Crosman at 1-800-724-7486. They can set you up with a service center to get the gun looked at and repaired.

  • Nick from USA asked:

    i am looking to hunt hogs what pellets should i use?

    • Jeff from USA:

      Heaviest lead your Disco will sling! My MRod grouped well with both JSB Monster 25.39 domes (31 ft lbs @ Average 747 FPS) and H&N Rabbit Magnum II 25.62gr (30.9 ft lbs @ Average 737 FPS). Most of the 18gr pellets fall into the mid-20s in muzzle energy, in my case. I suggest getting your hands on a Chrony, and then test some heavy (18gr and up) pellets to see which ones group well, and hit hardest. I'm no expert hunter, but you might want to leave the big pigs to a higher caliber (.25 and up?). Best of luck!

See all discussions »

To fill your PCP gun:
1. Pick a source of air shown at right
2. If an adapter is needed, one will be shown
3. Add both to your cart to get hooked up

Benjamin Discovery Air Rifle with quick-disconnect connector (1M)

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Item DescriptionCaliberMax VelocityItemCode
.177 caliber Benjamin Dual Fuel PCP & CO2 rifle.

Limited Quantities

0.177" (4.5mm)1000 fpsBenj-BP1K77GSL [PY-1543-2839]


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