Date: 5/12/2020 9:19
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Air Arms S510 XS Stealth Carbine PCP Air Rifle

4.04 reviews
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Air Arms S510

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  • .177" (4.5mm)Refurb

    Refurb, Caliber: .177" (4.5mm), Stock: Poplar, Handle: Ambi,

    Refurbished Air Arms S510 XS Stealth Carbine, regulated, .177 caliber

  • .177" (4.5mm)
  • .22" (5.5mm)
  • .25" (6.35mm)

Click here for details on refurb items

60-day limited warranty



List Price $1,329.99, Orig.Price $1,199.99 Save $300.00 (25%)

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  • FeatureIcon
    WARNING This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

AA S510 XS Stealth Carbine Regulated PCP Air Rifle

  • Precharged pneumatic
  • Air Arms Q-Tec moderator permanently affixed for added noise reduction
  • Smooth sidelever cocking mechanism
  • 10-shot repeater
  • 2-stage adjustable trigger with safety
  • 11mm scope grooves (no open sights)
  • 250 Bar / 3,626 PSI Fill Pressure
  • Built-in manometer (air pressure gauge)
  • Built-in adjustable power
  • Fully shrouded Lothar Walther barrel with integral moderator
  • Ambidextrous poplar Monte Carlo stock
  • Checkered pistol grip and forearm
  • Fully-Regulated 186cc cylinder
  • 40 shots in .177, 35 shots in .22, 30 shots in .25
  • Includes one rotary magazine, 4 hex wrenches, and fill adapter

Blending the quiet, carbine action of the Ultimate Sporter line with a lightweight, ambidextrous poplar stock, Air Arms has created the ultimate silent hunting PCP.  Introducing the S510 XS Stealth Carbine!  

You wanted a regulated S510 and Air Arms delivered, adding a regulator to the XS and boosting the power of the increasingly popular .25 caliber. These upgrades result in a PCP that can achieve powerful 44 ft-lbs in .25, 32 ft-lbs in .22 and 20 ft-lbs in .177. Power isn't the only thing increasing in the XS. The regulator offers increased consistency and shot counts from its 186cc cylinder, delivering 40 (.177), 35 (.22) and 30 (.25) shots per fill with minimal velocity change. These long shot strings are further aided by a built-in power adjuster to balance power and shot count.

Each XS features the prized Lothar Walther barrel, which gives this platform its renowned accuracy. This show-stopping system is further enhanced by an integrated Q-Tec Moderator that make this S510 XS one of the quietest airguns on the market.

Air Arms is one of the most detail-oriented airgun manufacturers and it shows not only in the internal components but the carefully crafted stock. This version of the XS features a rich, brown poplar stock complete with an adjustable buttpad. Each rifle includes one of Air Arms perfected 10-shot indexing magazines, smooth sidelever cocking mechanism and built-in manometer. 

The Air Arms S510 XS has won fans worldwide and turned heads at the range with shots so accurate they require a double-take. If you want long consistent shot strings that land on target every time, make the S510 XS yours.

other products by Air Arms

Caliber.177" (4.5mm)
Max Velocity1035 fps
Muzzle Energy20 ft/lbs
Barrel Length15.5"
Overall Length44.9"
Shot Capacity10
Front Sightnone
Rear Sightnone
Scopeable11mm dovetail
TriggerTwo-stage adjustable
Suggested forSmall game hunting/plinking
PowerplantPre-charged pneumatic
Max Shots per Fill40
Body TypeRifle
Fixed/adj. powerMultiple settings
Weight6.95 lbs
Cylinder Size186 cc

other products by Air Arms

Average Customer Review

4.0 (4 reviews)
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5.0 5.0

5.0 5.0

5.0 5.0

By David from USA on 2020-09-12
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Things I liked: Every single thing! It's beauty and balance are just for starters. This rifle is almost silent. The pellet hitting the target is louder than the a lot. I ordered it with a Leapers UTG 9x40 scope and purchased the 20 for 20 service and am so glad I did! Out of the case this rifle was right on the bullseye every time (or should have been but missing was my fault). Lastly, the craftsmanship that Air Arms put into this is incredible. I like everything about it.

Things I would have changed: Nothing.

What others should know: Yes, it is a pricey rifle but you get what you pay for, and, in this case it's worth the money.


5.0 5.0

5.0 5.0

5.0 5.0

By John from USA on 2020-07-31
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Things I liked: This rifle is well balanced, although feels heavier overall than the weight listed. I selected a .177 since I already own PCP's in the other calibers. The FPS using 10.3's on the highest setting averaged around 990. Faster than I expected and nice to know I have room to adjust based on the speed and shot count I want to achieve. Accuracy surprised me at the original speed tested, averaged around 3/8" groups at 50 yards. Based on my experience, with the correct pellet and good scope you should be able to keep all pellets touching at 30 yards. This gun is quiet in comparison to a shrouded barrel and slightly quieter than some others with factory moderators. Cocking effort is smooth with minimal effort required. 1st stage of trigger as preset from the factory is extremely long with very little resistance, 2nd stage just a hair heavier than what I prefer. I have not yet made any trigger adjustments, so not sure how it will dial in after adjustments.

Things I would have changed: The magazine sits low enough to accommodate scope mounting without having to use higher rings. Although this part of the magazine design is good, I think the location/size of the O ring could be redesigned to create enough resistance to the pellets when loaded to prevent them from falling out. After the magazine is loaded, the cover prevents (9) of them from falling out, but the last one has an open hole and can easily fall out prior to or during the loading process (inserting the magazine into the breech). I end up rotating the cover so it is in-between two pellets while storing the magazines. The magazines are also a bit tight when inserting them into the gun which will most likely be reduced with use. Other than these minor items, other features like not having the magazines spring loaded and the recent revision to the indexing system are big pluses. Please also keep in mind I am comparing the trigger to other very high quality pellet rifles which cost more on average.

What others should know: If you are looking to purchase something in this price range, my comparison based on other rifles is as follows: Daystate Huntsman Regal - maybe a bit lighter, better trigger out of the box, accuracy and quality appear to be comparable, magazines double the price. The Air Arms has smoother cocking (lever vs. bolt), is quieter and has a better shot count. Original FX Streamline - lighter and better trigger out of the box, good shot count and accurate, expensive magazines. Air Arms a bit quieter, stock fit and fore end would be better with someone with larger build/hands. Weirauch HW 100 - Nice magazine system, better trigger out of the box, well built and accurate. Air Arms would be lighter, more attractive bluing, better shot count and most would find the overall gun better looking and not as bulky. I have actively used all of the above and various other makes and models and I was a bit skeptically if I would be satisfied with the accuracy of the Air Arm. I am very pleased,

4.0 4.0

5.0 5.0

5.0 5.0

By Raphael from USA on 2020-06-09
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5.01 rating

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Things I liked: Very quiet and very accurate. Lovely to look at. High shot count.

Things I would have changed: The Air Arms fill adapter. For some reason, mine won't seal, so I have to send the gun back because I can't get air into it.

What others should know: I had to think a bit before this review. I don't want to say every one has a problem because mine does. The gun is great. Quiet, accurate enough for shooting bottle caps at 45 yards. Can't go wrong with this one. I've just had a bad experience with the fill adapter.

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  • Charles from USA asked:

    It says the moderator is permanently attached is it true or are you able to take it off?

    • Gilbert from USA asked:

      I have an s510 extrafacs that is a tack driver. I would like to get a moderator to quiet this rifle down a bit. do you have those in much...can it be shipped to california? thanks

      • SD from USA asked:

        How low can the power on .22 or .25 be set?

        • Mark from USA:

          Right around 600 FPS

      See all discussions

      To fill your PCP gun:
      1.Pick a source of air shown at right
      2.If an adapter is needed, one will be shown
      3.Add both to your cart to get hooked up

      Air Arms S510 XS Stealth Carbine PCP Air Rifle with 1/8" BSPP connector (2M)

      To start over click reset

      Airgun Academy Episode 38 - PCP Filling Systems

      Item Description
      AS510M17FX20ADOU [PY-4908-10587] - Item Condition: Refurb

      Refurbished Air Arms S510 XS Stealth Carbine, regulated, .177 caliber


      Caliber.177" (4.5mm)
      Max Velocity1035 fps
      Muzzle Energy20 ft/lbs

      This item is not eligible for coupon discounts

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      Air Arms S510 XS Stealth Carbine PCP Air Rifle
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