M4-177 Kit (.177/BB)

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M4-177 Kit (.177/BB)
Includes rifle, ammo, targets, shooting glasses (Model: M4-177KT)

Availability: In stock


The next great variable pump rifle is here and now available with everything you need: rifle, ammunition, targets and shooting glasses.

If you enjoy the adaptability of the AR platform then you're going to love the M4-177. The airgun features a rifled steel barrel and shoots both pellets and BBs. The rifle's variable pump action is easy to use for right or left-handed shooters.

Expect velocities up to 660 fps with BBs and 625 fps with 7.9gr, .177 caliber pellets.

There's plenty of picatinny rails for mounting your favorite accessories, plus the front and rear sights and stock are removable for the ultimate in upgrade possibilities.

  • Includes a Firepow'r 5-shot pellet clip
  • Reservoir capacity of 350 BBs
  • Adjustable stock to fit every shooter
  • Loop slots for adding a gun sling
  • Windage and elevation adjustments
  • Two aperture sizes instantly available on rear sight: just flip up the small one for stationary or bullseye targets or the large one for moving or large targets.
  • Removable magazine stores pellet clip and sight adjustment tool
Technical Specs
SKU M4-177KT
Caliber .177
Powerplant Variable Pump
Lead Pellet Velocity No
Alloy Pellet Velocity No
Steel BB Velocity No
Action Bolt Action
Length No
Product Weight No
Air Reservoir No
Barrel Material No
Rifled Barrel No
Barrel Type Rifled
Buttpad No
Camo Pattern No
Checkering No
Cocking Effort No
Foot Pounds of Energy (FPE) N/A
Joules No
Front Sight Elevation Adjustable Pin
Rear Sight Windage Adjustable/Dual Aperture Peep
Material Synthetic
Magazine Clip/Reservoir
Mounting Rail Picatinny
Noise Suppression No
Trigger No
Stock Style Adjustable Shoulder Stock
Included Optics No
Sling Mounts Included No
Sling Mount Type No
Stock Material Polymer
Safety Crossbolt
Rings included? No
M4-177 Kit (.177/BB) is rated 4.8 out of 5 by 4.
Rated 4 out of 5 by from Surprising Accuracy I bought the M4-177 Kit, on sale at Amazon for almost $20 less than the gun alone. I wasn't sure about having the rear sight in the carry handle where both windage and elevation are adjusted, but that's the way most buckhorn sights work, so it's not that unusual. Unfortunately, the peep sights on the handle are different lengths, so the smaller diameter sight post is considerably longer than the larger diameter sight post. This means that if you change peep sights by flipping up the alternate sight, you need to completely re-zero the rifle, which also means that you have to determine which sight you are going to use well in advance of when you need it. I also found that the post on the smaller peep site so long that I run out of elevation adjustment before it actually reaches zero. I contacted Crosman and in a week, I had a new handle assembly. Unfortunately, it has the same issue as the original handle, so I figured that must be the way they are manufactured. That being said, I love my M4-177. I find the peep sight considerably more accurate than any buckhorn sight I have used on my other multipump air rifles and the gun itself shows consistent accuracy, shooting dime sized groups at 10 meters once you find its favorite pellet. I returned my 760, which showed marginal 10m accuracy of about 3" with pellets, and bought the M4-177. I was dubious at first, because it's based on the 760, but I am extremely happy with the accuracy and the general build quality of the M4-177. Of course, I read in other reviews that the biggest negative was the strength and integrity of the adjustable stock, so I am careful not to put any undue stress on that part of the gun, holding it by the handle when pumping it. Speaking of pumping, it is very 760-like in the effort required. Up to 5 pumps requires little effort, but from 6-10 pumps, you definitely get a workout. This is my first peep sight air rifle, and if I could afford it, I would put them on my other air rifles instead of scopes. At short range, they are as accurate as a scope and don't seem to lose zero like many of my scopes. The one thing to remember about the sights on the M4-177 is that they are offset considerably from the barrel, so at very close range, they have the same parallax problems as a scope, hitting well below the sighted target. Overall, this is one of my favorite guns to shoot, as long as I don't have to pump it up 10 times for each shot. That does get tiring.
Date published: 2018-08-14
Rated 5 out of 5 by from Wonderful accuracy for fun target shooting! Being an owner of another major brand of air guns as well as Crosman, I’ve been incredibly impressed with the accuracy of this particular model of the m4-177. The kit form of this rifle has a great sight system wth all micro click adjustments made from the rear carry handle sight. Great for even indoor target shooting with the minimum three pumps into a proper pellet trap. Terrific job Crosman!
Date published: 2018-03-05
Rated 5 out of 5 by from Happy and good times I got this gun 3 years ago on Christmas Day and I have no clue what it is about this gun but I just enjoy holding and shooting of course my arm gets tired of pumping it but that the fun of it it's a work out it have fun. I wish I could find the other sight so I can li it down for storage other than that it's a great gun
Date published: 2018-09-07
Rated 5 out of 5 by from Super fun backyard shooter Hadn’t been in the market for a .177 pumper since I already had a Pumpmaster but after seeing this rifle with its cool AR styling and a rifled barrel I became obsessed with owning one. Although it does have a lot of plastic, it is by no means cheap, flimsy plastic. It is very sturdy, very rigid. There is no flex anywhere when pumping. I actually did some external modding to the rifle, adding a sling, green laser, and hand stop which helps with the pumping. To install the hand stop I had to use a dremel tool, do some grinding and drilling and at no point was I afraid of anything chipping or cracking. Besides adding those things, I also camo painted my rifle and did some mods to up its power somewhat. The kit is a really good deal. I like the look of the rifle with the carry handle as opposed to without. The open sights work very well (mine didn’t have an adjustable front sight or tool but after calling Crosman customer service a new sight and tool were in the mail quickly) when dialed in properly and I like the look of a “clean” rifle as opposed to mounting a scope or dot sight. It can get difficult to pump when using the upper end of the pump scale, you just need to experiment with where to put your hand holding the stock while pumping and where it works best for you. I’m having a blast shooting this gun!
Date published: 2019-05-07
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