Date: 12/12/2018 21:56
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Benjamin Mayhem NP2 SBD Air Rifle Combo

3.53 reviews
Benjamin Mayhem NP2.

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  • 0.177" (4.5mm)

    Caliber: 0.177" (4.5mm), Stock: Synthetic, Handle: Ambi

  • 0.22" (5.5mm)

5-year limited warranty



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  • Description
  • Specifications
  • Customer reviews
  • Q & A: 2 answered questions
  • Crosman's Nitro Piston.
    Crosman's Nitro Piston 2 System features technology that minimizes vibration and recoil, increasing accuracy.
  • Crosman's Clean Break.
    Crosman's Clean Break Trigger (CBT), an all-new, two-stage trigger system, that breaks cleaner, and pulls more smoothly.
  • The SBD (Silencing.
    The SBD (Silencing Barrel Device) adds an improved barrel shroud, making the NP2 SBD 3x quieter than other breakbarrels in its class.

Benjamin Mayhem NP2 SBD Air Rifle Combo

  • Nitro Piston 2 (gas piston)
  • Breakbarrel
  • Single-shot
  • Rifled steel barrel
  • Adjustable 2-stage trigger CBT=Clean Break Trigger
  • Front and rear sights
  • Picatinny optics rail
  • Manual safety
  • All-weather black synthetic stock with grey soft-touch inserts
  • SBD sound suppression system
  • Includes Centerpoint 3-9x40 AO scope, sling and sling mounts (rear post/front loop)


Built in America! Benefits of the Nitro Piston 2 over a metal mainspring:

  • Smoother cocking
  • Smoother shooting
  • No spring torque
  • No spring fatigue, even if left cocked for hours
  • Functions perfectly in cold weather
  • Lasts longer than a metal spring

New from Benjamin, the Mayhem SBD is a breakbarrel with a lot of attitude –but not a lot of noise. From its sturdy stock to its quiet shots, this gun is ready to drop targets and small game with style.

Loaded with features, the Mayhem includes Crosman’s all new SBD technology, a modified suppressor that makes this gun 3x quieter than other suppressed breakbarrels in its class. The asymmetric SBD (silencing barrel device) is designed to keep out of the way of the included 3-9x40 AO scope, a step-up from the optics included with its Trail and Rogue lines, and mounts on the Picatinny/Weaver rail. For easy cleaning, the SBD suppressor comes apart with a single screw. If you prefer to go without the scope, Crosman included a front post and an adjustable rear sight for those who want to put their shooting skills to work.

Designed with the shooter in mind, the Mayhem’s soft touch synthetic stock features multiple textured handholds for an easy grip, with integrated sling mount and included sling for field carrying. Crosman’s Nitro Piston technology ensures that this gun will be easy to cock, shoot straight in cold weather, and not vibrate when you pull the trigger. The Mayhem also sports an adjustable 2 stage trigger, so you shouldn’t have any trouble getting a smooth pull. As if all of this wasn't good enough, this airgun is assembled by American workers in Crosman's manufacturing headquarters in Bloomfield, New York!

All of these features add up to a stocked airgun that’s going to give breakbarrel airgunners everything they could ask for!

youTube video

other products by Crosman > Benjamin

Caliber0.177" (4.5mm)
Max Velocity1400 fps
Muzzle Energy26 ft/lbs
Barrel Length15.0"
Overall Length46.5"
Shot Capacity1
Front SightPost
Rear SightAdjustable
TriggerTwo-stage adjustable
Suggested forSmall game hunting/plinking
ActionBreak barrel
Body TypeRifle
Fixed/adj. powerFixed
Weight7.4 lbs

other products by Crosman > Benjamin

Average Customer Review

3.5 (3 reviews)
3 star2 star

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1.0 1.0

1.0 1.0

1.0 1.0

By Gary from USA on 2018-06-24
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0.00 ratings

Verified Purchase

Things I liked: great looking gun

Things I would have changed: plastic muzzle break pellet hitting Accuracy way off it out of line with barrel when i sent it back to exchange for another they said they would check that it wasn't doing the same thing receive the gun went o and shot one round it was doing the same thing so much for checking 0rder on june 6 june 20 still no rifle as to exchange for other gun said i would have to go on line to fill out paper work WAY when i talking to a sale persons they must of had better thing to do talk to a agent that to time she said it could have been do over the phone it be close to 3 weeks still no gun thanks

What others should know: it they fit the problem with the muzzle break it is a nice rifle


5.0 5.0

5.0 5.0

4.0 4.0

By Jerome from USA on 2017-10-22
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3.663 ratings

Things I liked: Almost everything. (.177; nearly 500 pellets) VERY Quiet, comfortable, Powerful, and reasonable recoil for so powerful a "springer". Easy to cock and no worrying... did I accidentally leave it cocked for hours! I also wanted it for cold winter use and no spring. The scope is way better than anticipated. I bought this model because it had the better scope rather than the Benjamin Trail NP2 as offered. Well worth it. I went on line and learned all I could about this series of guns and that made a difference including not only expectations but how to get the most out of it. Thus far I've used 5 different pellets both in weight and brand. It will literally zero with any of them, but the H&N Barracuda Match does stand out (superior manufacturing certainly helps). The H&N were far more consistent. Now I'm hitting a quarter @ 45 yards depending on wind. I do not have room to extend further at this time. The grips are soft and give a good hold. Balance is typical of this type of rife.

Things I would have changed: It weighed in about a pound heavier (8.5) than advertised and I don't think that is just the scope. The rear hard site was loose and fell off after one evening of shooting. The front site seems to be plastic and 1 bump made a mark in it. This gun definitely took way more pellets to get a proper handle. In my case a couple patient, it is worth it. Now I know how it behaves with 5 different pellets of differing weights and brands. That was part of my travails. Yes, they are very different but I put up a 2x4 foot board with many targets and learned each characteristic (I do not have a reviewer's setup).

What others should know: As one of Pyramyd's videos suggested, it does shoot best with the front hand under the fore stock. It did take time and patience to get it "right". My other 2 springers are less powerful and I expect less of them (cans). I was finally able to get the Crosman Premier Ultra Magnum to be accurate enough to plink every time. However, those pellets are tight, loose, and all in between. Considering this I was amused that I could use them reliably on cans. I wanted a cheap pellet for plinking. I am still learning the AO and just how accurate that is. The scope needed lock tight to stay in place as this is still a "springer" though gas. All in all I would definitely buy it again.

4.0 4.0

5.0 5.0

4.0 4.0

By Fred from USA on 2017-07-23
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5.02 ratings

Things I liked: #1, I stand a reasonable chance of hitting what I am shooting at. I bought it in hopes of picking off squirrels in my fruit and pecan tress, asian doves and sparrows. #2, it is as quiet as advertised. It has plenty of power as well, I haven't used it on its intended prey yet, but it drives pellets fairly deep into a 2X12 pine board. The only reason I'm not giving it a 5 star rating overall is I can imagine perfection. What I have is a gun that is pretty darn good for the price, but not perfect. It is many, many times better than the Gammo Silent Cat I have. I would not recommend the Gammo to anyone, but I would recommend this Benjamin.

Things I would have changed: The main thing to me is that the trigger is a little rough. The pre-set pull weights are fine, but it feels a little gritty through the first stage. I'm a pretty able guy for 63 and don't find the weight or cocking effort to be a big deal like I saw some write in other reviews.

What others should know: I tried about eight different varieties of pellet in this gun. The Premier Hollow Point, the Crossman Wadcutter and the Barracuda Green (no lead) all did really well. It didn't like any of the Gammo. The odd thing is that I have a tin of the pointed Premier that doesn't seem to do well at all. I don't know if I got a tin of bad pellets or what.

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  • Fin from USA asked:

    Does the Benjamin Mayhem NP2 SBD Air Rifle Combo include the same scope as the Trail NP2 Combo upgrade (CP394AONP2-999)? Also, the Crosman web site shows the scope raised up higher than the photo here. One Youtube review said the front lens cap won't go on. Which comes with this package, low scope rings or higher?

    • Matt from USA asked:

      Is it quieter than the NP2?

      • Chevota from USA:

        I would say no since the shroud has been removed. I'd even wager it's louder, but I don't have one so I can only speculate.

      • Stanley from USA:

        This also has the NP2 installed .

    • Cole from USA asked:

      In .22 calibre will this gun dispatch a skunk? How quiet would it be compared to my Grizzley spring operated break barrel?

      • Stanley from USA:

        Yes it will . The NP2 will be somewhat quieter than its spring operated counterpart.

    Item Description

    BJ-BMN2Q7SX-KT [PY-4430-8603]

    Included:3-9x40mm AO Scope, Sling
    Caliber0.177" (4.5mm)
    Max Velocity1400 fps
    Muzzle Energy26 ft/lbs

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    Benjamin Mayhem NP2 SBD Air Rifle Combo
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