Date: 9/8/2020 22:35
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Winchester MP4 CO2 Rifle

4.053 reviews
Winchester MP4 CO2

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  • WARNING This product
    WARNING This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
  • Winchester MP4 rifle
  • Uses 2 (two) 12-gram CO2 cartridges
  • Semiauto
  • Rifled steel barrel
  • 16rd mag holds pellets or steel BBs (2 8rd rotary clips on either end of the insertable magazine)
  • Telescoping buttstock
  • Flip-up, front sight (not adjustable for windage or elevation)
  • Flip-up, adjustable rear sight
  • Composite stock
  • Metal receiver
  • Integral Weaver/Picatinny rail system on all 4 sides of the barrel
  • Manual safety

Do not shoot steel BBs at hard objects or water. They will ricochet! Remember to wear safety glasses. In fact, everyone in the vicinity of the range should wear safety glasses, even if they're not shooting. Remember to remove all pets from the range before you start shooting.

If you like the black rifle look and want to shoot semiauto long guns, then add this pellet/BB repeater to your gun collection.

The Winchester model MP4 CO2 rifle shoots whatever ammo you've got. Steel BBs and lead pellets aren't in short supply like firearm ammo -- and a lot cheaper, too! So, load up your rifle and commence to shootin'. Because this really delivers a lot of power downrange, the gun uses two (2) CO2 cartridges at a time.

Our tech department has done some velocity testing of the Winchester MP4. They got 550 fps with pellets and 450 fps with steel BBs. There were times when an occasional pellet would reach 600 fps.
See manual

other products by Daisy > Winchester

Caliber.177" (4.5mm)
Max Velocity700 fps
Overall Length38.5"
Shot Capacity16
Front SightFlip-up
Rear SightFlip-up, adjustable
Suggested forPlinking/Fun
Body TypeRifle
Weight4.4 lbs
See manual

other products by Daisy > Winchester

Average Customer Review

4.0 (53 reviews)

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5.0 5.0

5.0 5.0

5.0 5.0

By Rick from USA on 2017-03-17
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0.00 ratings

Things I liked: Everything

Things I would have changed: Nothing

What others should know: It is a great gun my son loves using it actually looks forward to using it thank you


4.0 4.0

5.0 5.0

4.0 4.0

By John from USA on 2017-02-23
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4.01 rating

Things I liked: The Gun seems well-built. A lot of metal parts and the plastic ones are solid not cheap.The scope is decent. Its fun to shoot and fairly accurate.Different pellets do make a difference.

Things I would have changed: No real issues. Make sure you slap the co2 clip into the gun for a good fit.However insert the mag gently making sure it clicks.It must click.If necessary pull it out and try again.Be gentle.Do not try to rapid fire the gun.For best results allow a few seconds between trigger pulls.The plastic little tool they give you to tighten the CO2 cartridge into the clip is cheap. You may use a 3/8 inch Allen wrench instead. It's the same size and far more durable since it's made of steel .I broke one but it was my mistake. I tried to tighten the cartridge too much and used a wrench.You do not have to tighten them that much. Just hand tight.Also when loading pellets into the mag make sure they are snug and not sticking out either end.Once you get used to the idiosyncrasies of the gun it's very enjoyable shooting.You CAN remove the co2 clip after shooting even if they still have co2 left.When the cartridges are practically empty you will notice the pellets dropping all over the place.


5.0 5.0

5.0 5.0

5.0 5.0

By Art from USA on 2017-02-09
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5.01 rating

Things I liked: Got this gun today and it has exceeded my expectations. Either Daisy has finally solved all the problems previously reported or I just got lucky, but it has performed flawlessly. I was shooting at 10 meters from a bench rest with a Leapers Bug Buster scope using Beeman Hollow Point Coated Pellets. I made a small tool to seat the pellets to the point where the pellet skirt contacts the ridges in the rotary magazine. I used ONLY ONE 12 gram CO2 cartridge ( yes, the gun will work with only one installed) and got 65 accurate shots and 10 that shot a little low. The 65 easily grouped within 3/4 inch with many going thru the same 1/2 inch hole. The amazing thing was that even those last 10 shots still grouped at 3/4 inch, just a little low. No jams and only one misfire when I pulled the trigger slightly but did not complete the shot. I checked the barrel and it was tight from the factory.

Things I would have changed: The trigger pull is a little high but linear and breaks at the same place every time.

What others should know: I did not rapid fire and I was shooting indoors which certainly helped getting so many shots from one cartridge. Crosman 12g from Walmart at about $.50 each.


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  • Rami from USA asked:

    What's the status of this gun? Where can I buy it? Any word?

    • kristopher from USA asked:

      What's the best co2 bbs and pellets to use with this gun?

      • Abel from USA asked:

        Is this discontinued or is it out of stock?

        See all discussions

        Item Description

        DY-Model-MP4 [PY-3284-6317]
        16rd pellet and BB magazine
        Caliber.177" (4.5mm)
        Max Velocity700 fps

        Compatible with Winchester MP4 CO2 Rifle