Date: 12/12/2018 1:24
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FAS 6004 Pellet Pistol

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FAS 6004 Pellet.

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1-year limited warranty



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  • Description
  • Specifications
  • Customer reviews
  • Q & A: 1 answered question

Chiappa FAS 6004 Pellet Pistol

  • Single-stroke pneumatic
  • Single-shot
  • Overlever
  • Removeable front sight
  • Rear sight adjustable for windage and elevation
  • Two-stage adjustable trigger
  • Extremely accurate
  • Competition-grade rifled barrel
  • Recoil and vibration free
  • Weight 2.0lbs
  • Includes protective hard case

With a background in firearm manufacturing, Chiappa turned their sights towards PCP airguns in 2008.  Their emphasis on a quality design found early success with their FAS 601 10-meter pistol.  Building on their experiences with the 601, Chiappa now introduces the FAS 6004—a prime example of an affordable, high-quality option for competition shooting.  Using advanced CNC machining, this single-stroke pneumatic gives you everything you need to score perfect bullseyes as it sends pellets downrange at 400 fps.    

With one of the most ergonomic grips on an entry level competition shooter, the 6004 rests comfortably in the hand.  Its ambidextrous walnut grip fits the hand perfectly for a balanced shooting platform. An adjustable 2-stage trigger, allows you to adjust the trigger’s pivot point, pull weight, and the distance of the break in the first and second stage.  Weighing in at 2.0lbs, this pistol is easily controllable, with just enough heft for stability.  Each features an adjustable rear sight (windage and elevation) and a front sight that can be removed and switched out.  As a single-stroke pneumatic, only one pump will give you a perfect velocity for scoring perfect 10s.

Considering the accuracy, Chiappa states that the FAS 6004 can achieve an accuracy as near as 0.08 inches center to center--incredible for a $400 pistol!  With that kind of accuracy, you can capture the title of any 10-meter competition.  If joining the ranks of the best shooters in the world is your dream, the Chiappa 6004 makes for a great place to begin your journey.     



See manual

other products by Chiappa

Caliber0.177" (4.5mm)
Max Velocity400 fps
Barrel Length7.5"
Overall Length9.88"
Shot Capacity1
Cocking Effort20
Front SightBlade
Rear SightAdjustable for windage & elevation
TriggerTwo-stage adjustable
Suggested forCompetition
Trigger Pull1.6 lbs
PowerplantSingle-stroke pneumatic
Body TypePistol
Fixed/adj. powerFixed
Weight2.0 lbs
See manual

other products by Chiappa

Average Customer Review

4.0 (3 reviews)
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2.0 2.0

2.0 2.0

1.0 1.0

By Edward from USA on 2018-12-02
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Things I liked: Build, fit and finish superb. Same for ergonomics.

Things I would have changed: I could not get the gun zeroed at 10 meters. I cleaned the barrel right out of the box. Shot off hand first and was disappointed at my 6 inch patterns. I hand selected and lightly oiled some fresh pellets and shot 10 meters from bench rest. Same problem. I cleaned barrel again and shot dry hand selected pellets. Ditto performance.

What others should know: Thank goodness for Pyramid's return policy.


5.0 5.0

5.0 5.0

5.0 5.0

By Shawn from USA on 2018-08-31
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Things I liked: Quality is top rate, the ambi walnut grip is spectacular, just a joy to plink in the back yard and 10m target. It doesnt get better than this pistol unless you spend 4 times the money.

Things I would have changed: Advertised 400fps should realistically be 370 with 7 grain pellets.

What others should know: Stick with 7 grain or less pellets. This pistol loves the RWS match premium 7.0 grains. Oil your walnut grip to get all of that beautiful grain to pop!


5.0 5.0

4.0 4.0

5.0 5.0

By Daniel from USA on 2018-08-30
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Things I liked: the grip, such a nice gun to hold, great finish, nice trigger, the sights are excellent. This is my favorite gun to target shoot with, all day long, easy to cock and the breech is open and easy to load by hand. A fun, accurate, quiet and beautiful gun to shoot.

Things I would have changed: only three things it leaves me wanting, one is a wish list item. Firstly, the adjustment screws for the trigger seem to be a little too easy to spin, could be my own misgivings, but i added a dot of thread lock to them to make them stiffen up a little. Secondly, the breech o ring is kinda loose in there, when you open the gun it sometimes lifts a little and you need to reseat it with your finger, usually you do that anyways while you load a pellet in (they do provide a spare o ring with the gun, which is nice), jsut feels like that o ring should stay in place better like my HW30s does. Lastly, it would have been great if Chiappa machined a dovetail groove down the top of the barrel to allow for a optic. I love the looks of this gun, and would probably not be able to bring myself to muddle it up with an optic on top, but it's accuracy certainly could merit it. But as it is a lower fps, target pistol i can see why they didn't bother. All the same, it seems a simple enough thing to do.

What others should know: I've seen people say you cannot load this with a pell pen, you can, in a manner. You can use a pell pen to place the pellet in the breech, but you still have to seat it with your finger. I like doing it this way, faster than rummaging in the tin. I took it one step further and modified my pell pen with a pellet seater probe that works at a 90 degree angle, and it's fantastic, this is the thread on Airgun Nation i made for it: (excuse the title, i was excited to show off the pistols)


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  • Thomas from USA asked:

    I want a pellet pistol that is a quality product and QUIET. I am partial to HW guns but their pistols (in your catalog) are not quiet (3 med). The Chiaffa (PY-3913=75020 IS incredibly quiet ( 1-low). I am 75 years old and want a scope. Will the Chiaffa take a mount and scope. I will use this for plinking only. Do you have another very quiet option to the Chiaffa ? I want a springer or single stroke pneumatic. .

    • Tyler from USA:

      You might want to try one of the break barrel pistols like the Trail NP Pistol or the Umarex Trevox. But they aren't in the same quality league as the Chaippa or HW Pistols. The P3 or HW75 aren't too much louder than the Chiappa, and would be scopeable....I'd go for one of those

Item Description

CH-440040 [PY-3913-7502]

Caliber0.177" (4.5mm)
Max Velocity400 fps

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