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Benjamin Mayhem SBD Nitro Piston NP2 Air Rifle

Benjamin Mayhem SBD Nitro Piston NP2 Air Rifle

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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

PY-4319-8341

$259.95

List Price $299.95 Save $40.00 (13%)

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  • Description
  • Specifications
  • Customer reviews
  • Q & A: 8 answered questions
  • Crosman's Nitro Piston 2 System features technology that minimizes vibration and recoil, increasing accuracy.
    Crosman's Nitro Piston 2 System features technology that minimizes vibration and recoil, increasing accuracy.
  • Crosman's Clean Break Trigger (CBT), an all-new, two-stage trigger system, that breaks cleaner, and pulls more smoothly.
    Crosman's Clean Break Trigger (CBT), an all-new, two-stage trigger system, that breaks cleaner, and pulls more smoothly.
  • The SBD (Silencing Barrel Device) adds an improved barrel shroud, making the NP2 SBD 3x quieter than other breakbarrels in its class.
    The SBD (Silencing Barrel Device) adds an improved barrel shroud, making the NP2 SBD 3x quieter than other breakbarrels in its class.

Benjamin Mayhem SBD Nitro Piston NP2 Air Rifle

  • 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
  • Sling mounts (rear post/front loop)
  • Includes Centerpoint 3-9x40 AO scope

 

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 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 and sling mounts 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!

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other products by Crosman > Benjamin

Caliber0.177" (4.5mm)
Max Velocity1400 fps
Muzzle Energy23 ft/lbs
Loudness2-Low-Medium
Barrel Length15.0"
Overall Length46.5"
Shot Capacity1
BarrelRifled
Front SightPost
Rear SightAdjustable
ScopeableWeaver/Picatinny
TriggerTwo-stage adjustable
ButtplateRubber
Suggested forSmall game hunting/target practice
ActionBreak barrel
SafetyManual
PowerplantGas-piston
FunctionSingle-shot
Body TypeRifle
Fixed/adj. powerFixed
Weight7.4 lbs
ShroudedYes

other products by Crosman > Benjamin

Average Customer Review

4.5 (12 reviews)
3 star2 star1 star

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5.0 5.0

5.0 5.0

5.0 5.0

By J Weyland on 2018-08-20
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Things I liked: This rifle is quiet, more quiet than other break actions I have, but not as quiet as my Benjamin Marauder. Having shot several pellets through it as I sighted it in, it is becoming quieter and the accuracy is good. The Mayhem will complement my Marauder. There are times when I need a fast loading rifle to deal with predators and my Marauder is not always pumped up and ready to go. I am looking forward to putting the Mayhem to work.

Things I would have changed: If I could change something I would like an option to extend the stock. I have long arms and this rifles stock is about one inch short for me. I would also change the trigger pull, either making it shorter or easier to pull. To get a good grouping when I shoot, I squeeze the trigger while gently exhaling, stop in mid pull of the trigger, inhale and then continue exhaling as I squeeze the trigger for the shot.

What others should know: New owners should use a thread lock compound on all scope screws. You will need it so plan on doing it from the start. The rear open site became loose after several shots, I could have used some thread lock on its screws but I chose to remove it completely instead. This is a very nice rifle, these little annoyances are very insignificant and easily correctible. You should enjoy shooting this rifle I certainly do.

 

4.0 4.0

3.0 3.0

4.0 4.0

By David from USA on 2018-08-17
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Things I liked: The gun is quiet and easy to cock. I shot this rifle outside my sons closed bedroom window. He did not hear it. Neither will your neighbors.

Things I would have changed: The trigger is a 2 stage trigger that came in cranked down as tight as possible. The effort to pull the trigger significantly affected the accuracy of the rifle. It is adjustable and it is easy to adjust. Unfortunately being adjustable doesn't make it a good trigger. The first stage take up is simply a pile of useless over travel. Once you take up the slack there isn't a lot of creep. However, it just seems a bit gritty. Releasing the trigger without firing it seems to almost flop around in the first stage. I would prefer a crisp single stage trigger over this trigger.

What others should know: The first Mayhem I received worked OK but after 50 - 100 rounds it started having issues. You could hear the difference in the pressures. Several of us tried to get groupings at 18 yards. It would shoot a couple of pellets accurately and then it was way off the mark. The groups ended up being 12 inches at 18 yards. I contacted Crosman and sent it back. They replaced the unit after approximately 2 weeks. The new rifle came in and after 300 rounds it is working much better (except for the trigger, see above). I struggled with accuracy and replaced the scope. I lapped the rings and made certain I torqued the screws to the proper torque and blue loctited them. The next effort was to find the right pellets. Here are my test results at 10 yards off a lead sled. Gamo .22 TS22 - 1.5 inches H& N Barracuda 21gr - 2.5 inches H&N Terminator 16gr - 2.5 inches JSB Diablo 18gr - 1 inch JSB Diablo 15gr - less than 1/2 inch Crosman Premier 14gr - 1.5 inches This gun is very pellet specific.

 

5.0 5.0

5.0 5.0

5.0 5.0

By Stan from USA on 2018-07-27
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Verified Purchase

Things I liked: The gun is what I expected and more. It is quiet right out of the box, once it holds a nice tight pattern with solid impact. I currently have a RWS Diana .177 it is also very good gun but it was lacking the impact I was looking for to thin out the woodchucks in my garden. That is the reason that I bought the .22 Mayhem.

Things I would have changed: The rear adjustable site is very loose and the scope is not as friendly as advertised, but for the money, its an overall good value.

What others should know: This is currently my second Mayhem because I ended up returning the first one within the 30 day warranty period. The reason for returning the first one is that the rear site was so loose, there was no way to tighten it up, the scope was also faulty to the point where I couldn't hold a 4-inch pattern at only 20 yards. The trigger itself was also very hard to pull, it felt like the working mechanism was never polished because the entire pull felt very rough, even at the highest hair-trigger setting. The replacement gun that just arrived is a whole different animal. Its got a very smooth trigger pull; the scope is better but the rear site is still a little loose. I decided to switch to scope out for a red dot quick acquisition scope which I now have dialed in at 30 yards holding 2-inch patterns, it is by far the best way to zero in on a critter in the garden and take it out quickly. I am sure that the .177 is also very good gun, but I'm very happy with the .22

 

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  • Bros80 from USA asked:

    Hi, anybody notice that the rear sight windage notch just pivots on the axis of the adjusting screw allowing it to move too freely and come out of adjustment?

    • Gary from USA asked:

      The trigger pull seems to be a bit much. is there anything I can do to lighten it up?

      • Chevota from USA:

        There's a spring inside the trigger, the fix is to replace it with a lighter one.

    • Gary from USA asked:

      Anyone have experience with the .22 between 75 and 125 feet regarding accuracy? Is there a graph of pellet drop at different ranges anywhere?

      • Chevota from USA:

        Accuracy will vary too much from gun to gun to give a #. Drop can be seen using the free program Chairgun, or going to the H&N pellet website, they have a simple trajectory calc for each pellet. Just select a pellet you use, then ~half way dwn the page you'll it. Then plug in your power/velocity. Use real power/vel, not advertised

    See all discussions

    Item Description

    BJ-BMN2Q7SX [PY-4319-8341]

    Included:3-9x40mm AO Scope
    Caliber0.177" (4.5mm)
    Max Velocity1400 fps
    Muzzle Energy23 ft/lbs
    StockSynthetic
    GripAmbi
    ColorBlack

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