Sig Sauer ASP P250 CO2 Blowback .177 Caliber Pellet Pistol Table Top Review

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Type: Air Pistol.

Manufacturer: Sig Sauer ASP

Model: Sig Sauer ASP P250.

Materials: Metal and plastic build.

Weight: 1.45 pounds (658 Grams).

Barrel: 4.75 inches - Rifled steel.

Propulsion: 12 gram CO2.

Action: Blowback single and double action.

Ammunition Type: .177 caliber pellets.

Ammunition Capacity: 16 round double sided rotary stick magazine.

Max FPS: Claimed 500 but really more like 400.

Trigger Pull: The trigger pull on the Sig Sauer ASP P250 CO2 Blowback .177 Caliber Pellet Pistol is a lot better than I thought it was going to be. The blowback operation does place the hammer in the cocked position for single action type shooting but the the trigger is still required to index or advance the next pellet to line up with the barrel. Because of this, trigger pull is full length even in single action mode but you can barely feel any added friction from the indexing of the rotary magazine. All of this makes for a slightly longer trigger pull but one that is light weight with a fairly nice and easy release. For some reason the Sig Sauer P226 trigger does feel a little smoother with a slightly easier release.

Accuracy: I have not done my official Field Test Shooting Video with the Sig Sauer ASP P250 CO2 Blowback .177 Caliber Pellet Pistol and I am not sure when I am going to get the chance to do so since I am waiting on a replacement Chronograph for my velocity portion of my testing. That said I can say that Sig has already done some of the work for me and conducted their own "real world" velocity testing for their ASP line of CO2 Pellet Guns. Sig tested both a standard 8.18 grain lead pellet and a high velocity 5.25 grain alloy pellet shooting an 8 shot string with each to find out average fps performance for both pellet types. The 8.18 grain lead pellet average 353 fps while the 5.25 grain alloy pellet average 399 fps. In terms of accuracy, I was able to get just under a 2 inch 16 shot well centered grouping on two separate 30 foot back tests which is pretty decent. I did notice that when shooting a 16 shot string, the first and last shot velocity will vary a fair amount as the CO2 cools the gun and lowers the fps. I would recommend taking your time in-between reloads to let the Sig Sauer ASP P250 CO2 Blowback .177 Caliber Pellet Pistol warm back up.

Build Quality: The Sig Sauer ASP P250 CO2 Blowback .177 Caliber Pellet Pistol is a bit on the lighter side coming in around 1.5 pounds since it does incorporate both metal and plastic construction. You will find the Sig Sauer P250 has a metal slide and plastic frames similar to the real steel version. Weighing it at 1.45 pounds, the P250 is lighter then a standard Sig Sauer P250. Sig claims that their entire APS line of pellet guns is life tested for 15,000 shots so you know this gun is going to last and provide years of shooting fun. The fit and finish seem really good, so far no real paint or finish problems and all mechanically everything is operating as it should.

Realism: The Sig Sauer ASP P250 CO2 Blowback .177 Caliber Pellet Pistol is a very close replica of the real steel Sig Sauer P250. I really like the fact that the safety also works as a working decoker just as it would on the real Sig P250. Other similar working parts are the magazine release and the hammer that stays back for true single action shooting. The slide catch release and take down leaver are purely for show but they are not moulded in parts so they look good and realistic. One slight disappointment for me is when a gun does not have a cut out ejection port, that is the case with both the Sig Sauer ASP P226 and P250 but it does not take away from the shooting fun in any way.

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  • Good overall replica of the real steel Sig Sauer P250.
  • Designed by Sig and made in Japan, fully Sig Sauer licensed.
  • Nice heavy blowback operation.
  • It might feel a bit light weight at first but out of the two Sig Sauer ASP pellet pistols this one seems to shoot a bit better.
  • Got respectable accuracy and seemed to shoot pretty hard.
  • Safety works as the de-cocker same as the real Sig Sauer P250.
  • White dot sights and accessory rail.
  • Great feel to the trigger not heavy or sticky in any way.


  • Shots tended to slow down a bit near the end of a 16 shot strong as the gun cooled down.
  • Sight are non adjustable.
  • Ejection port is not cut out.


What I really like about the Sig Sauer ASP P250 CO2 Blowback .177 Caliber Pellet Pistol is that like all the other APS Airgun from Sig, it is a product that Sig has decided to invest a lot of their time and effort to develop rather then simply grab an existing Airgun product from a manufacturer and slap their license on it. Sigs product ingenuity is what will help to improve the airgun industry overall. Getting back to the Sig Sauer ASP P250 CO2 Blowback .177 Caliber Pellet Pistol, it may feel a bit light weight at first but the heavy blowback will rock you unexpectedly! I found in terms of comparison to the Sig Sauer ASP P226, the P250 was more accurate and well centered on target for me as well. If you're a Sig Sauer P250 owner you are for sure going to want to pick yourself up one of these ASP CO2 Blowback Airgun versions so you can get some extra practice time in for pennies per shot and the ability to shoot in a lot more locations..

My YouTube Table Top  Review of the Sig Sauer ASP P250 CO2 Blowback .177 Caliber Pellet Pistol:

Sig Sauer ASP P250.jpg
4.5mm / .177 cal, Blowback, CO2, Comparison, Field Test, Pellet, Pistol, Review, Semi Auto, YouTube Video Sig Sauer, Sig Sauer P250