Date: 4/8/2020 4:8
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Air Arms S510 XTRA Ultimate Sporter FAC Air Rifle

Consider newer model

Air Arms S510 XS Ultimate Sporter Air Rifle, Laminate Stock

Consider newer model

Price: $1,499.99

4.012 reviewsReview, article, latest buzz
Air Arms S510

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  • WARNING This product
    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

Air Arms S510 XTRA Ultimate Sporter FAC air rifle

  • Precharged pneumatic
  • Air Arms Q-Tec moderator permanently affixed for noise reduction
  • Smooth sidelever cocking mechanism
  • 10-shot repeater with 20 shot capacity
  • 2-stage adjustable trigger with safety
  • 11mm scope grooves (no open sights)
  • 2900 psi fill pressure (200 bar)
  • Built-in manometer (air pressure gauge)*
  • Built-in adjustable power
  • Fully shrouded Lothar Walther barrel with integral moderator
  • 20 micron filter
  • Ambidextrous Monte Carlo laminate stock
  • Adjustable cheekpiece
  • Checkered pistol grip and forearm
  • Superb, deep, rich bluing
  • Unparalleled stock finish
  • Adjustable rubber buttpad
  • Rear sling swivel stud
  • Accessory rail under forearm with built-in adjustable sling mount
  • Includes 2 rotary magazines, 4 hex wrenches, fill adapter and airgun oil

Based on the venerable and much-celebrated S510 Sporter repeater, the XTRA Ultimate Sporter FAC kicks it up a notch by incorporating the revolutionary Air Arms Q-Tec moderator. This permanently affixed silencer makes the XTRA FAC one of the quietest air rifles on the market today. To ensure superior performance and stealth, the impressive resources of Air Arms worked to produce a remarkable silencing technology utilizing fluid dynamics and a simulation system. What does this mean for you? A seriously quiet gun.

The S510 XTRA Ultimate Sporter FAC includes the compact features of the original Ultimate Sporter version, but with the increased power of the XTRA. In .25 caliber, this stealthy gun offers up to 35 ft. lbs. of energy and approximately 20 accurate shots.

This slightly shorter rifle also comes equipped with a new, highly adjustable stock so you can configure your air rifle to your own needs and shooting style. The beautiful laminated ambidextrous stock has an adjustable cheekpiece, checkered pistol grip and forearms, and a very handsome profile. The S510 XTRA Ultimate Sporter FAC has a convenient accessory rail, adjustable butt pad, smooth sidelever cocking mechanism and built-in manometer.

The extremely quiet shots, additional knock-down power, S510 technology, and Lothar Walther barrel make this PCP gun the perfect partner for hunting.

If you're a person who appreciates all the fine details that most manufacturers overlook because they think you won't notice or they're just not important, then the S510 XTRA Ultimate Sporter FAC is for you. As you examine every inch of your gun, you'll see that state-of-art technology and craftsmanship has been incorporated into a fine rifle that's more than just a gun. It's a piece of art that also happens to be very accurate. Your pleasure with the ultra quiet shots, smooth cocking, and the ease with which your body becomes one with this rifle will pale in comparison when you see what this air rifle does downrange!

No matter how gorgeous the wood or beautiful the bluing, the proof is in the target. If you can't repeatedly hit what you're aiming at, nothing else matters. And that's where Air Arms has always excelled: Accuracy!

The Lothar Walther barrel consistently delivers pellets where you want them to go. If you've searched for an air rifle that doesn't fling flyers every few shots, doesn't miss the target, and doesn't have a mind of its own every time you pull the trigger -- then the S510 XTRA Ultimate Sporter FAC is your answer.

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Caliber.177" (4.5mm)
Max Velocity1050 fps
Muzzle Energy20 ft/lbs
Barrel Length19.5"
Overall Length44.25"
Shot Capacity10
Front Sightnone
Rear Sightnone
Scopeable11mm dovetail
TriggerTwo-stage adjustable
ButtplateVentilated rubber
Suggested forSmall game hunting/plinking
PowerplantPre-charged pneumatic
Max Shots per Fill20
Body TypeRifle
Fixed/adj. powerMultiple settings
Weight8.6 lbs
Cylinder Size216 cc
See manual

other products by Air Arms

Average Customer Review

4.0 (12 reviews)
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4.0 4.0

5.0 5.0

5.0 5.0

By richard from USA on 2017-11-25
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0.00 ratings

Things I liked: Overall a very nice gun with a very nice adjustable stock to which I mounted a Sidewinder 8-32 x56 scope.. The gun is well designed and l I have no major complaints.

Things I would have changed: Once you fire the 10th shot in the clip, the gun lets you reload the next now blank slot forcing you to keep track of your shot count. If not, you end up firing air through a blank slot and hopefully a varmint was not lined up in your sights. The Marauder locks you out after the 10th shot which was very nice correcting this issue. I suspect this is the trade-off comparing a spring loaded magazine to the simplified one in the S510.

What others should know: I never realized how different pellets behave in different guns until I spent a lot of time testing this S510 .177. I tried many shots with Crossman 10.5 grain pellets that worked great in my Marauder .177 but were erratic in the Air Arms S510. After 50 frustrating shots with inconsistent groupings, I switched to the JSB Extra Heavy 10.34 pellets and they worked miracles. Very nice grouping out to 66 yards. The difference was night and day and I would recommend the JSB's as this gun seems to like them very much.


5.0 5.0

4.0 4.0

5.0 5.0

By Frank from USA on 2017-10-23
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5.01 rating

Things I liked: Everything, this is a beautiful rifle the fit and finish is top notch. The adjustable stock is awesome and easy to set up. One of the best out of the box triggers I have ever used. It is QUIET and shoots sub 1 inch groups at 25 and 50 yards. I will be taking to range for 100 yard and longer next week. The magazines are expensive but they are flawless and so easy to load . I have had no feeding problems just smooth and no effort to chamber a pellet. Spend the money you will not be sorry it is one of the best rifles out there I love mine.

Things I would have changed: The safety location is on the trigger. I just leave it in the off position when target shooting and shooting ground squirrels from fixed position. But will use it when walking in the field. Would like to see a better filling fitting but its not a real pain to fill as is.

What others should know: When My gun arrived I fitted a Hawke Sidewinder 30SF 6-24x56 scope used BKL rings. When it was zeroed at 25 yards I only had 5 clicks of windage left before it bottomed out. I tried 2 other scopes and 2 other sets of rings all the same. My conclusion was the barrel or the receiver rail was not true to center. I'm a retired gun store owner and gunsmith of over 45 years in the business I know what I am doing. Called Pyramyd they sent out a call tag and replaced the rifle. They were so fast and helpful great company. The new rifle was much better and within specs. Set up scope and zeroed rifle plenty of windage and elevation left. I'm a happy camper. I don't like the power adj knob it has no detent to make adj stay in place. Other reviewer said to use a 'o' ring works great. I'm going to build a plunger and spring detent unit to install on the underside of the knob. These are all personal little things that bug me but this is one hell of a rifle. It is some much fun to shoot.


5.0 5.0

5.0 5.0

5.0 5.0

By Graham from USA on 2016-08-19
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0.00 ratings

Things I liked: I took delivery of a .22 cal Ultimate Sporter four weeks ago. I added BKL medium high scope mounts and a Hawk Airmax30 4x16x50. It's a tremendous rifle, excellent build quality, nice trigger, quiet, well balanced and very accurate. I have tested 8 types of pellet, various power settings and fill pressures - this is the best result so far. Using Air Arms 16 grn or JSB 15.8 grn pellets, a starting fill pressure of 2700psi and the power dial set at 9/10 of max power. I'm shooting 1/2 inch 5 shot groups at 50 yards, 1 inch at 70 yards and about 1 1/2 inches at 90 yards, all from a solid bench rest shooting position. This fill pressure and power setting gives 20 "usable" shots starting at around 925fps up to 942 fps and back to 921 fps (spread 21 fps). I have rechecked this same power tune 5 times and got a fps extreme spread of between 21 and 23fps each time over the 20 shots. For an unregulated rifle I'm impressed. I have a 3400psi steel dive tank so the "lower" fill pressure of 2700psi works perfectly for my situation. The adjustable stock is world class. I have previously never given much thought to gun fit. During each shooting session I slowly tailored the stock to fit my shooting position perfectly. The improvements are subtle and at first not apparent. However I'm finding my target practice sessions less fatiguing and more enjoyable. The non locking power adjuster has been criticized by other reviewers. I really like it because you can easily and precisely fine tune the power output to give the best accuracy. A simple quick fix to lock the power adjuster in a set position. Stretch a Danco #5 oring over the power adjustment control knob and pushed it up against the air chamber. This adds a little friction to the power wheel - it will still turn as required but will not move unintentionally. The safety is on the trigger blade, obviously not the best place to put it. But in use its actually very comfortable to operate and has never caused me any concern. Although a 21 fps extreme spread over twenty shots is very good. It would be nice to have more shots per fill within the same fps spread. As an upgrade Air Arms should make an optional retro fit drop in regulator for all S510 FAC rifle owners.

Things I would have changed: A regulator option would be nice. Other than that nothing it's almost perfect

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  • Eduardo from USA asked:

    Can this rifle be shipped to California ?

    • Tyler from USA:


  • Greg from USA asked:

    What makes the "FAC" different from regular model?

    • Tyler from USA:

      FAC is standard for the US market, means "Firearms Certificate." In the UK, they are limited to 12 FPE airguns unless someone has an FAC, so Air Arms marks the higher power export models as FAC models.

  • Eaton from USA asked:

    Can you remove the moderator?

    • Tyler from USA:


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To fill your PCP gun:
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Air Arms S510 XTRA Ultimate Sporter FAC Air Rifle with 1/8" BSPP connector (2M)

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Airgun Academy Episode 38 - PCP Filling Systems

Item Description

S510M17SX20ALT [PY-3372-7240]
Ambidextrous laminate stock; .177 is ideal for field target, small game hunting, plinking, paper targets & more
Included:2, 10rd mags.
Caliber.177" (4.5mm)
Max Velocity1050 fps
Muzzle Energy20 ft/lbs

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