Date: 16/12/2018 22:48
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Beeman QB78S CO2 Air Rifle

5.017 reviews
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Beeman QB78S CO2.

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  • 0.177" (4.5mm)

    Caliber: 0.177" (4.5mm), Stock: Synthetic

  • 0.22" (5.5mm)

1-year limited warranty



List Price $129.99, Orig.Price $109.99 Save $20.00 (18%)

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  • Description
  • Specifications
  • Customer reviews
  • Q & A: 4 answered questions

Beeman QB78S CO2 Air Rifle

  • Bolt-action
  • Single-shot
  • Crossbolt safety
  • Synthetic stock
  • Adjustable single-stage trigger
  • Runs on (2) 12 gram CO2 cartridges
  • 11mm dovetail
  • Rifled barrel

The perfect plinker now with an all-weather synthetic stock! Shooting this bolt-action couldn't be easier as there's no pumping necessary! Simply load up 2, 12 gram CO2 cartridges, put a round in the chamber, and you're ready to shoot.

This gun features an ergonomic thumbhole stock with pistol grip for a stable, comfortable hold. Adjust the single stage trigger and rear sight to your preference. Customize the rifle with the Weaver/Picatinny rail located in front of the foregrip. A great gun for plinking cans in your backyard or shredding paper targets.

See manual

other products by Beeman

Caliber0.177" (4.5mm)
Max Velocity650 fps
Shot Capacity1
Front SightBlade
Rear SightAdjustable
Scopeable11mm dovetail
Suggested forPlinking & target practice
MaterialMetal/ABS plastic
Body TypeRifle
Fixed/adj. powerFixed
Weight5.75 lbs
See manual

other products by Beeman

Average Customer Review

5.0 (17 reviews)
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5.0 5.0

5.0 5.0

5.0 5.0

By TODD from USA on 2018-08-15
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0.00 ratings

Things I liked: I looked at QB78 rifles for a long time wishing they had a more tactical version, well what do ya know? along comes the S. I bought the 22 version and have loved every minute of owning it. I think I have shot over 2,500 pellets through it since I bought it about a year ago. Normally I shoot at 25 yards, at that distance I can hit wine corks and pecans with 90 to 100 percent accuracy. At 40 yards I can hit 1 inch targets about 6-8 times out of 10. I got about 70 shots out of 2 CO2s. After a few simple mods, that cost me nothing but time, Ive made a noticeable improvement in FPS, although I dont have a chrono, so I cant say how much its improved. Now I get 25 shots from 1 CO2

Things I would have changed: Nothing

What others should know: This is a great air gun that will last forever if cared for, buy it, shoot it, enjoy. OR, buy it, tear it apart, learn the basic working of just about all air guns, and have fun making it better.

5.0 5.0

5.0 5.0

5.0 5.0

By Augustus from USA on 2018-05-06
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4.01 rating

Verified Purchase

Things I liked: First off, I own the .177, so I cannot comment on the .22. This is the best deal I have ever run into on air rifles. I chose the .177 because of the C02 platform. This is not your fastest pellet gun. Fortunately, it is extremely accurate with the Premier pointed, 7.4 grain pellet. I tested 3 different pellets and this produced consistent, 1/2" groups at 25 yds. I used an inexpensive scope. Nothing special ($45). I was especially impressed with the picatinny front rail for mounting a Bi-Pod. The weight and feel of this rifle is very nice. I'm new to this sport and I was extremely impressed with the Synthetic stock. Best bang for your buck.

Things I would have changed: After 50 some shots, you can tell it's out of power. You must dry-fire 10-15 more times so you can change the CO2 cartridges. There is no pressure release. The Safety is a bit strange, but it works.

What others should know: If you are an air-gunner, new or old, you should own this model.


5.0 5.0

5.0 5.0

5.0 5.0

By Rolf from USA on 2018-04-22
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4.01 rating

Verified Purchase

Things I liked: Easily handled despite it's weight. Superb accuracy even beyond 50 feet. At least 60 shots before noticeable loss

What others should know: Bolt action is stiff closing but would rather a good seal than easy action and leaky seal


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  • robertmichael from USA asked:

    does anyone know the barrel diameter on the synthetic model?

    • Julien from Canada asked:

      Is there any way us Canadians will ever get a version with 50 fps less? This gun is no where to be found in Canada yet it's so close to being available. Please, help us Pyramydair!

      • Bill from USA asked:

        I saw a you tube video on this rifle, the wood stocked version. He took the rifle apart. My question is about the safety. When he removed safety it looked like to me it could be reversed for left handed use?

        See all discussions

        Item Description

        BN-QB78S-177 [PY-4253-8141]

        Caliber0.177" (4.5mm)
        Max Velocity650 fps

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