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

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

$64.99 Starting at $54.99
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Action kit
0.177" (4.5mm)
Action kit
0.177" (4.5mm)

0.177" (4.5mm), 660.0 fps, Synthetic, Ambi, Black
3-10 pumps, 18-rd BB mag & 5-rd pellet mag
660 fps/BBs, 625 fps/pellets (velocities in owner's manual are incorrect)

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30-day limited warranty

SKU PY-2631-5208


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

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  • Description
  • Specifications
  • Customer reviews
  • Q & A: 5 answered questions
  • feature icon2012 Best Seller
  • feature icon2011 Best Seller
  • feature iconBuilt & 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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See manual

other products by Crosman

0.177" (4.5mm)
660 fpsMeasured with 5.1-gr. ammo
3-10 pumps
Adjustable for elevation
Adjustable for windage
4.0 lbs
Multi-pump pneumatic
Metal/ABS plastic
3.75 lbs
See manual

other products by Crosman

Create an online reviewand share your thoughts with other customers

Overall rating:4.0 4.0

Value for money:5.0 5.0

Accuracy:4.0 4.0

  By Derek from USA on 2015-05-02
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0.00 ratings
Things I liked:Repeating action. Peep and post sights. Accuracy. Lightweight. It looks pretty sharp. The sight adjuster and clip fit in the fake magazine.
Things I would have changed:The trigger is awful. Make it auto-indexing. It needs more power. I wish they had built this on the 2100 power plant instead of the 760. The clacking during pumping is pretty obnoxious.
What others should know:This little rifle is an excellent first airgun for a smaller, newer shooter. The adjustable stock ensures that it will fit the smallest shooters and be adjusted to fit as they grow. The peep sights are a bit crude, but they provide an excellent sight picture. It will let you use bb's or pellets, and can easily be scoped. It is very light, and mine has been very accurate for the price. I get groups of 1-3/4" at 25 yards for 10 shots.

Overall rating:5.0 5.0

Value for money:5.0 5.0

Accuracy:5.0 5.0

  By James from USA on 2015-04-28
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0.00 ratings
Things I liked:I purchased the refurbished gun for $40 expecting something used with dings, nicks, etc. To my surprise it looked brand new in every way except for the 30 day warranty. In no way does the gun appear cheap or too plastic except for its overly glossy appearance which can easily be toned down with a matte overcoat. The detail molding is first class, the rails work, the heft is solid at 4 lbs, and the iron sights work fine despite what some reviewers have stated. In fact it is so realistic you have to think twice about taking this outside where the neighbors can see it and mistake it for the real thing. Pumping is firm but not excessive, the trigger is smooth if not overly long--at least it is not crunchy like Crosman's 13xx pistols out of the box. Accuracy is dime size groups. Even at full retail price its an amazing value, get one and I think you will agree. At $40 they're almost giving it away!
Things I would have changed:It is nose heavy. Crosman added weights inside the pistol grip but that is not enough to balance it. It needs weight in the shoulder stock. The 5 shot clips are rough when new and indexing is therefore clumsy, but they do get better as they wear in, they could be crisper in the detents.
What others should know:Great to fondle and even better to shoot. There is no reason to wait, just get one now.

Overall rating:5.0 5.0

Value for money:5.0 5.0

Accuracy:5.0 5.0

  By Virgil from USA on 2015-04-19
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0.00 ratings
Things I liked:I like the option of using either BB's or pellets, along with the multi stroke pump option, it is a good shooting replica, giving group shots of less than a dime in diameter
Things I would have changed:I would also show the carry handle rear sight option which crossman offers.
What others should know:Would make a good training piece for a SUPERVISED kid. I have found it a good air gun to maintain rifle marksmanship shooting indoors since I can no longer make it to an out door range away from home....I wish every young person had an opportunity to learn to shoot with a gun like this.
Show Other ReviewsCreate an online review and share your thoughts with other customers
  • Dima from USA asked:

    Hello. is gun in good condition and is gun full metal ?

    • Dan the Man from USA:

      The refurbished models may have some scratches, dings and nicks on them, but they are guaranteed to work. No, it has a lot of plastic.

  • jack from Australia asked:

    how many shots do you get from 10 pumps

    • Dan the Man from USA:


  • Falerino from USA asked:

    Can I buy this gun send to Indonesia?

    • Erika from USA:

      You would need to check with your Customs agency to see if you can import

See all discussions »

Item DescriptionCaliberMax VelocityMuzzle EnergyItemCodeStockGripColor
3-10 pumps, 18-rd BB mag & 5-rd pellet mag
660 fps/BBs, 625 fps/pellets (velocities in owner's manual are incorrect)

In stock

0.177" (4.5mm)660 fpsMeasured with 5.1-gr. ammo4.93 ft/lbsMeasured with 5.1-gr. ammoCR-M417 [PY-2631-5208]SyntheticAmbiBlack


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