Date: 8/8/2020 5:20

Customers Q&A on Air Arms S510 Xtra FAC PCP Air Rifle, Poplar

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  • Jose from USA asked:

    Do any one knows how many grains pellets are required to obtain the 44 ft/lbs with the .25 cal ?

    • Mark from USA:

      30 grains at 815 FPS.

  • Edward from USA asked:

    Does the manometer / gauge show the fill pressure or the regulated pressure ? If it shows fill pressure how do you read the regulated pressure ? If it shows regulated pressure how do you know the fill pressure ? I there is only one gauge how would you add a second one ? You have to be able to monitor both pressures. This is the main reason I have not bought one yet. Besides no mention of how to adjust the hammer spring. I believe these questions are warranted. Thank You for your time.

    • Mark from USA:

      The gauge shows the fill pressure. The regulator is set at 150 bar. Once you fall below that the velocity will fall off greatly. The regulator is not externally adjustable. The manual explains how to adjust the hammer spring tension.

  • Wm. from USA asked:

    About how many shots can you get in .177 out of a full fill?

    • Mark from USA:

      Approx 45 shots.

  • William from USA asked:

    About how many pumps does it take using a Hill/AA three stage foot pump, to fill this rifle's reservoir from empty, and from ten normal refill point back to max ?

    • Mark from USA:

      200-250 pumps for a first fill. 100-150 pumps for top off. Pump in 50 pump intervals and let you and pump cool.

  • Dave from USA asked:

    Will the walnut stock from an early model fit this rifle

    • Mark from USA:

      No. The regulated action is different. The stock would have to be modified.

  • Robert from USA asked:

    Does this gun come with a fill probe?

    • Tyler from USA:

      Yes, the fill adapter is threaded to 1/8" BSPP male

  • Edgar from USA asked:

    Is this rifle regulated?

    • James from USA:

      It says right in the title and in the copy that it is regulated. So what is correct?

    • Tyler from USA:


  • Craig from USA asked:

    Can nitrogen be used to power this gun? many places around here fill nitrogen in hi pressure but not air.

    • Tyler from USA:

      Yes, nitrogen is fine

  • Matt from USA asked:

    "The barrel is only the rifled portion of the gun" Maybe I'm not understanding this sentence correctly but what other part(s) of the gun that can be rifled?

    • Brian from USA:

      Probably referring to the shroud at the end of the barrel.

  • Mario from USA asked:


    • Tyler from USA:

      The Carbine's are only available in .22

  • ahkell66 from USA asked:

    Is "FAC" the Firearms Certificate one needs in England, or is there a "FAC" for something else? Stupid question, yes, I know, thank you, but I am curious.

    • Tyler from USA:

      Yes, FAC refers to a Firearms Certificate that would be needed in the UK. This denotes that the gun is a high power (over 12 FPE) model.

  • Randal from USA asked:

    What is the difference between S500 XTRA FAC and 510 XTRA FAC?

    • Cory from USA:

      The S500 is single shot.

  • George from USA asked:

    Is there a true left handed model? With the lever on the left side?

    • Richard from USA:

      That for a walnut stock

    • Richard from USA:

      Yes if call PA they can order one , cost is approx. 200.00 more

    • Dan the Man from USA:

      No, there is not.