Date: 8/2/2016 20:30

Crosman M4-177 Multi-Pump Air Rifle, Adj. Stock

PY-2631-5208

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$54.99

List Price $99.99, Orig.Price $64.99 Save $10.00 (15%)

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  • Description
  • Specifications
  • Customer reviews
  • Q & A: 7 answered questions
  • feature icon
    2012 Best Seller
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    2011 Best Seller
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    Built & made in the USA with globally sourced products
  • Multi-pump pneumatic
  • 3-10 pumps (never exceed 10 pumps)
  • Bolt-action
  • 18-rd BB mag, 5-rd pellet mag
  • 350-rd BB reservoir
  • Aperture rear sight adjustable for windage
  • Post front sight adjustable for elevation
  • Both sights are removable
  • Weaver/Picatinny optics rails above the receiver, below the front sight fitting and on the underside of the forearm
  • Adjustable/telescoping stock (30.5" to 33.75")
  • Sling loops
  • Manual safety
  • Includes sight adjustment tool
  • 660 fps with steel BBs and 625 fps with pellets (velocities in the owner's manual are incorrect)


Looks and feels like an M4 firearm. Shoots either BBs or pellets, so you can use whatever ammo you've got on hand. Since it's a multi-pump, you can pump it up to 10 times to get higher velocities or less if you'd like to do some easy all-day shooting.

Get extra clips (same ones used by the Crosman 760 Pumpmaster) and load up so you don't have to interrupt your range time with a lot of reloading.

When you shoot steel BBs, do not shoot at hard objects or water. The BBs will ricochet! No matter what ammo you're using, remember to wear safety glasses. 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.
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Caliber0.177" (4.5mm)
Max Velocity660 fpsMeasured with 5.1-gr. ammo
Loudness3-Medium
Barrel Length17.25"
Overall Length33.75"
Shot Capacity18
Cocking Effort3-10 pumps
BarrelRifled
Front SightAdjustable for elevation
Rear SightAdjustable for windage
ScopeableWeaver/Picatinny
ButtplatePlastic
Suggested forPlinking/Fun
Trigger Pull4.0 lbs
ActionBolt-action
SafetyManual
PowerplantMulti-pump pneumatic
FunctionRepeater
MaterialMetal/ABS plastic
Body TypeRifle
Weight3.75 lbs
See manual

other products by Crosman

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4.0 4.0

4.0 4.0

4.0 4.0

By Martin from USA on 2015-12-30
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0.00 ratings

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Things I liked: Looks, feel and accuracy. I put a red dot on it and then (I'm 80) could see and keep most pellets at 10 yards inside a 1/4 inch. That's damn good as I have many others that don't even keep close. Not a target gun because not all shots were that size. Bought 4 as gifts for my 50+ yr. old sons and son-in-law. We had fun together!

Things I would have changed: Front site on one would not work. Screw was stripped from factory/really...

What others should know: Buy it and enjoy.

3.0 3.0

3.0 3.0

2.0 2.0

By Roger from USA on 2015-12-19
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0.00 ratings

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Things I liked: Overall look and weight

Things I would have changed: Smaller forearm... longer magazine, actual safety lever as in a real m4

What others should know: This gun is great for the back yard pop can shooter, accuracy has a lot to be desired. Good for the person looking to shoulder in or learn to quick aim.

5.0 5.0

5.0 5.0

4.0 4.0

By Gordon Schopper from USA on 2015-11-22
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5.01 rating

Verified Purchase

Things I liked: I like this gun work very well I bought it for my grandchildren for a Christmas present so I figured I had to try it out make sure everything works good for them and the stock fit me good for an adult size as well .

Things I would have changed: I wouldn't change anything I think it's a good deal for the money I think my grandchildren will be happy.

What others should know: Everything works the babies did what they were supposed to do the pellet inserts work fine and the gun itself has an overall good look.

Show Other ReviewsCreate an online review and share your thoughts with other customers
  • Darrell from USA asked:

    Can you modify this like you can a 1377/1322 larger valve, flat top piston, etc.....

    • Gregory from Canada:

      Any mods done on a 760 pumpmaster will apply to this M4-177...the m4-177 is essentially a 760 pumpmaster wearing an AR-15/M4 disguise.

  • Alexander from USA asked:

    Does this come with the carry handle ? If not where Can I buy one ? I know with the other Black version kit it comes with the handle already.

    • Gregory from Canada:

      I would like to know if I can also buy the carry handle/peep sight?

  • Alexander from USA asked:

    Hi, I see that there's a full black version one that comes with the handle. And this one doesn't why is that ? And If I were to purchase this one would I have to buy the handle ? Or does it also come with it ? Cause in the picture in these pictures for this gun it doesn't have the carry handle.

    See all discussions

    Item Description

    In stockCR-M417 [PY-2631-5208]
    3-10 pumps, 18-rd BB mag & 5-rd pellet mag
    660 fps/BBs, 625 fps/pellets (velocities in owner's manual are incorrect)
    Caliber0.177" (4.5mm)
    Max Velocity660 fpsMeasured with 5.1-gr. ammo
    Muzzle Energy4.93 ft/lbsMeasured with 5.1-gr. ammo
    StockSynthetic
    GripAmbi
    ColorBlack

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    See also

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