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  • Crosman M4-177 Pneumatic Pump Air Rifle (.177)
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Crosman M4-177 Pneumatic Pump Air Rifle (.177)

by Crosman
300 customer reviews
| 51 answered questions

List Price: $127.99
Price: $52.99 Free Shipping for Prime Members
You Save: $75.00 (59%)
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Ships from and sold by exclusively for Prime members. Details
  • Includes a Crosman Firepow'r 5-shot pellet clip and the BB reservoir holds up to 350
  • Adjustable stock, loop slots for a sling, dual aperture rear sight with windage & elevation adjustments
  • Removeable magazine stores pellet clip and sight adjustment tool
  • Accessory rails for mounting scope, lasers, flashlights, cameras
  • Shoots pellets up to 600 FPS and BBs 625 FPS
13 new from $52.99 2 refurbished from $39.99
This item’s packaging will be visible when delivered and cannot be gift-wrapped.

Frequently Bought Together

Product Description

Product Description

For a new generation of shooters who like the adaptability of the AR platform, the M4-177 is sure to impress. Featuring a rifled steel barrel, the M4-177 shoots both pellets and BBs. This variable pump rifle features valve technology that combines lower pumping force with higher velocities. The rifle’s variable pump action is easy to use for right or left-handed shooters, and velocities are exceptional at up to 625 with pellets and a swift 660 fps with BBs. The various Picatinny rails allow you to mount your favorite accessories. Built in America.

An adjustable sight helps dial in your firing accuracy.
The Crosman M4-177 pneumatic pump air rifle is based on the increasingly popular AR platform, with multiple Picatinny rails for customizing with preferred accessories. A rifled steel barrel accurately shoots both pellets and BBs, and variable pump action is easy to use for both right- and left-handed shooters. Two aperture sizes on the rear sight let you simply flip up the small one for stationary or bullseye targets, and the large one for moving or larger targets.


  • Bolt action, multi-pump power source
  • Rifled steel barrel
  • 350-round BB reservoir
  • Adjustable stock to fit every shooter
  • Loop slots for adding a gun sling
  • Windage and elevation adjustments
  • Adjustable and removable front and rear sights
  • Includes a Firepow'r five-shot pellet clip
  • Removable magazine stores pellet clip and sight adjustment tool
  • Crossbolt safety trigger


  • 0.177 caliber
  • 34-inch total length
  • Three-pound, nine-ounce weight
  • Firing velocity up to 625 feet-per-second (FPS) with pellets, and 660 FPS with BBs

All Crosman products are warranted against defects in materials and workmanship. Details are included with your purchase.

About Crosman
In 1923 in Rochester, New York, Crosman was founded as Crosman Arms Company. From its inception, Crosman's principal products were airguns and airgun ammunition. During the 1950s, new accounts included Sears Roebuck & Co., Montgomery Ward, and Western Auto, all of which sold Crosman's products under their respective brand names. In 1966, the company introduced its own Crosman brand airgun, the Pumpmaster 760, which has sold more than 11 million units to date. Crosman Corporation is now an international designer, manufacturer, and marketer of Crosman pellet, BB, airsoft rifles and pistols, Copperhead ammunition, and Benjamin pellet rifles and ammunition.

Product Details

  • Product Dimensions: 39.2 x 2.5 x 7.6 inches ; 4.8 pounds
  • Shipping Weight: 5.6 pounds (View shipping rates and policies)
  • Domestic Shipping: This item ships only within the U.S. excluding certain locales such as MI, NJ, DC, and NYC.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Origin: USA
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B0062B4PQQ
  • Item model number: M4-177
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (300 customer reviews)
  • Amazon Best Sellers Rank: #5,787 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
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From the Manufacturer

Integrated Picatinny rails for mounting your favorite compatible accessories, such as optics, lights, and lasers.

Pumping lever is uniquely integrated into forearm

Variable-Pump Power Plant

.177 Caliber

Power plant benefits Vairable Pump CO2 Break Barrel Pre-Charged Pneumatic (PCP)
Power source 3-10 srokes of an on-board lever to compress air 12-gram cartridge Spring or piston cocked by a lever (barrel) On-Board hihg pressure reservior
Filling method None, self contained Insertion of C02 Cartridge None, self contained use of high pressure tank or pump to fill on-board reservoir
Velocity * Upto 700 FPS Upto 780 FPS Up to 1400 FPS Upto 1100 FPS
Number of shots Unlimited (must be pumped for each shot) 40-60, varies on rapidity of trigger pull Unlimited, must be cocked for each shot 15-35 (varies by caliber)
Uses Target Shooting, Plinking, and Small Game Target Shooting and Plinking Target Shooting, Plinking, Small Game, Varmint Hunting Target Shooting, Plinking, Small Game/Varmint/Predator Hunting
Effective range ** 15 Yards 20 Yards 35 Yards 60 Yards
Advantages Velocity is variable based on the number of charging strokes Convenient, accurate Self-contained, accurate Powerful, consistent, superbly accurate
Disadvantages Must be pumped-up for every shot Perfomance can vary with temperature (70 degrees is optimum) Requires practice to shoot at highest accuracy External fill source required
Choosing a Caliber BB .177 .22 .25
Material Copper Coated Steel Lead or Lead-free (plastic and/or zinc) Lead or Lead-free (plastic and/or zinc) Lead
Weight (grains) 5.2 7.9 or 10.5 14.3 27.9
Shapes Spherical Wadcutter, domed, pointed, hollow point, destroyer Somed, Hollow point, pointed, destroyer Domed, Destroyer
Uses Plinking Targets, plinking, pest control Targets, plinking, pest control, small game hunting Pest control, small and medium game hunting
Advantages Less expensive than pellets Fast, flat trajectory ideal for targets Ideal for both targets and small game Hard-hitting pellet, conservative on air
Disadvantages Ricochet if shot at a hard surface Relatively light weight, limits use to pests and small game hunting Not heavy enough for the larger small-game species, predators Limited shape selection

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

73 of 79 people found the following review helpful By J. Ford in Charlotte, NC on February 28, 2012
Verified Purchase
I have had this rifle for a few days now and I think that I have had enough time with it to write a review that would be a fair for the item. Overall I really like the gun as far as the appearance goes and how it feels to shoot. I do wish that it was a little more powerful. The Crosman that it replaced, a Powermaster 66, seems to have had a lot more velocity when pumped up to the recommended 10 strokes. This M 417 seems to be a bit lacking in the power department somewhat. I still like the rifle though. It is very accurate when you find the right pellet for it. I just came in from doing some target practice and found that using bb's or off brand pellets, it is all over the place. Then I tried the Crosman Destroyer pellets, and using a bench rest, wound up getting a 1 1/4 inch 5 round group at 20 yards. I was very pleased with that. That would not be a bad result using a 22 cal. rifle. The Destroyer pellets seem to be what the M 417 needed to get to it's best performance. I have tried the Crosman pointed pellets with mediocre results, and have yet to try the hollow points. Am hoping to get similar results with them, but time will tell. Will update this review if there is any worthwhile change in the performance. Overall, I would definitely reccommend this rifle. It seems to be well built and it feels good to shoot.
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159 of 179 people found the following review helpful By Geoff on December 21, 2011
Verified Purchase
When I saw the box for this at Wally-world, I fell in love. (Then saw that all three boxes had been ripped open and the rifle stolen!) If there was ever a better indication of a "Hot New Product" then that, I don't know what is! The gal behind the counter said they had given up after the tenth shoplifter, so I came to good 'ol reliable Amazon.

I also Googled a lot of reviews and YouTube'd a bunch of videos by "experts" on the rifle, and what they say holds true. It's a really fun gun.

First, this may be mostly plastic, but it's SOLID, and feels nice and heavy. (about 5 lbs) And video-game jaded kids will love the look and feel of this plinker.

Modeled on an AR15, this rifle has an adjustable stock (allowing for kids of an appropriate age AND adults to use it comfortably), rifled barrel, 4 Picatinny rails: one above the receiver, one under the hand-guard/pump, and two mini-rails above and below the front of the barrel. It comes with adjustable front & flip-rear sights that can be adjusted for wind age and elevation, and can be removed to add a scope. I purchased a nice simple Swiss Arms 4x32 rifle scope, which works fine for the 50-75 foot range this gun reaches accurately using .177 pellets. The "Magazine" under the receiver is hollow, and is used for storage of the (included) mini-screwdriver for adjusting the sights, and for storing a spare pellet mag-strip.

The Picatinny rails under the barrel and the hand-guard are VERY limited in use, as anything too large will interfere with the pump-action. but a mini-flashlight will fit. (or a bayonet lug? heh...
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14 of 14 people found the following review helpful By Perry Bruner on August 15, 2012
Verified Purchase
Crosman M417 bb/pellet pneumatic pump rifle Great price, I have seen many airsoft versions of this rifle for more money, and this one is much more accurate than any airsoft is gonna be!
With all the weaver rails you can add many accessories.. Some people think the front two weaver rails are un-usable because of having to pump the foregrip.
Just get youself an offset mount for a taclight to mount to the underside of the front sight, and to mount a vertical foregrip to the bottom of the pump's weaver rail, just put a quick release on it so you can take it on and off quckly and easily to pump up the air. OR a better option is to buy a vertical foregrip that is like one of those 5 position foregrips that you can swing down/collapse such that it sits flat up against the foregrip.. then you can pump it without it getting in the way... but you will have to push the button on the vertical foregrip and move it to position one each time you wish to pump.... then move it back to position three to use as a normal foregrip, or to put it back into the "vertical" position.
Overall a very good gun, especially for the price.. My only complaints is there are two places made of plastic that should have been made of metal. The point where the buttstock attaches to the receiever is very very weak and you must be careful or you may break off the rear buttstock mount completely.
Also, the screw that holds the front plastic piece in place at the pivot point of the pump should be metal, mine has already cracked and I have tried everything to get it back together, superglue, cement, etc..
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76 of 93 people found the following review helpful By Carol A. Anderson on December 15, 2011
Verified Purchase
Owned single shot crosman tourment pistol for 35 years. Great gun, hated single load, single shot. Bought crosman 760 because price, multi BB capacity and 5 shot pellet clip. 760 was ok, but low on distance and the stock broke off on about 10th use. However, I bought 8 extra 5 round pellet clips and loved that concept. So not finding any other air guns that feature these clips, I Found the M417. It arrived and I love it. I had a UTG led light/laser combo and got it mounted just barely under muzzle. It did pump harder then the 760 but only for a few times. I have nine clips, 5 fit in the removable magazine box. However there is a whole in the rear stock and I made a velcro cover for it and store the other clips in that whole. I marked the clips two each with spray color and use different type pellets in those clips. The gun at 40 ft is as accurate on targets as my 597 .22 rifle with scope. The UTG light/laser are great for night shots. I use chrome BBs to the keep dog pacs from coming into our 2 acre front yard. Day or night. I love this toy/ tool. Nearly twice the accuraccy of the 760 and no broken off stock from pumping it up. IMHO best multi pellet gun in price range. Szpend a little more and get one or two. Cheers
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Crosman M4-177 Pneumatic Pump Air Rifle (.177)
This item: Crosman M4-177 Pneumatic Pump Air Rifle (.177)
Price: $52.99
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