Replica Air Guns


KWC SW40F Sigma C02 Blowback Airsoft Gun

(2 reviews)3.0
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$ 159.99
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Total: $159.99

Type: Airsoft Pistol
ManufacturerKWC
Model: SW40F (S&W Sigma)
Materials: Metal slide, plastic frame
Weight: 1.9 pounds (900 grams)
Barrel: Metal non-rifled smooth bore
Propulsion: 12 gram CO2
Action: Single action only
Ammunition Type: 6mm BBs
Ammunition Capacity: 19 rounds
FPS: 330 fps

Trigger Pull: The trigger pull on the KWC Sigma SW40F CO2 Blowback Airsoft Pistol is single action only which generally produces a very light trigger, on the SW40F it is a bit firmer than most single actions but still decent with a short take-up and firm release. You will need to pull the slide back (which also chambers your first round) to cock the internal hammer, after which subsequent shots you will not have to pull the slide back as the blowback action does this for you.

Accuracy: When I shot the KWC Sigma SW40F from 20 feet out in semi rested position I was able to get nice clean results. I placed 10 rounds within about 2 inches with the shot placement being very well centered. The KWC S&W Sigma SW40F seemed to keep the rounds tighter from top to bottom over side to side for me. I also noticed when I field stripped this gun that there is a built in hop-up (rubber bar) that sits inside the barrel, this will produce some back spin which will keep the BB's trajectory a bit flatter when shooting further out and is also probably there to stop BB's from rolling out of the barrel once chambered.

Build Quality: The build quality is about the same as all other KWC guns, tolerances seem tight and everything is working as it should, you will get some wear marks (paint wear) on the high spots over time which is normal on just about any (type of gun, real or air) but what I like about the SW40F is that the barrel is polished and since this is the first area to lose paint, it really does not matter since no paint is on the barrel.

Realism: The KWC Sigma SW40F CO2 Blowback BB Pistol is a replica of the real steel S&W Sigma with the exception of the licensing and it really is a bang on Replica, you can field strip this gun exactly like a real Smith & Wesson Sigma. All the mechanical parts work just the same and I like the fact that without the licensing, this gun is very clean looking with no obtrusive warning instructions on it.

Pros:

  • Lots of metal in this gun with very good weight to it.
  • Very accurate S&W Sigma replica.
  • Heavy crisp blowback feel.
  • Predictable single action trigger.
  • Shots where well centered, got good accuracy.
  • White dot sights for quick target acquisition.
  • No ugly warning markings.
  • Full size drop out magazine holds BB's and CO2.
  • Like the polished barrel and ejection port.
  • Fully field strip-able.

Cons:

  • I only got two magazines in my pre-test for some reason?
  • FPS is not super high?
  • A bit finicky when loading BB's

Comments: Just like my Airsoft review of the KWC Sigma SW40F, this blowback Air Pistol was a lot of fun to shoot, with its super snappy heavy slide and ultra-realistic shooting characteristics. It did seem to go through a lot of CO2 very quickly which is not uncommon for this style of full blowback heavy-slided airgun, and to be honest I don't really mind since it shot well, felt good in the hand and backs it up with great looks. And heck it's still so much cheaper to shoot than a real 9mm hand gun ;) For those of you looking for something that is similar to a Glock in terms of looks and operation, the KWC Sigma BB or Airsoft pistol may be your only real option here in North America now that the Umarex SA177 is history. 

SpecificationValue
Caliber:6 mm (.24 cal)
Action:Semi-Automatic
FPS:350 to 400
Ammo Type:Airsoft
Power Source:Co2
Trigger Action:Double
Blowback Action:Blowback
3.0

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Apr 24, 2021

NOT BAD for the price and the company that made it.

Its a good design but no pistol grips. The safe is a bit stupid and hard to work. The power is really good, but because of that the accuracy is not the greatest. Its is poor for sporting so I bought for Plinking and realism. So far its been with me for a while, buts is begging to wear, mainly because I shoot a lot. If your looking for something cheap for Plink and for its looks, this gun is not bad, but for a bit more money you could get a much better gun that would last. bn
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Sep 15, 2016

don't get this gun.

i had this gun for 4 months or so and it blew up chunks of the slide rails. i fired the gun and put about 2000 round threw it . i always oiled it and took it apart every chance i got for cleaning and i notice after a month when i took it apart i saw a crack where the slide rides on the rail and damage was already setting in so i left it alone, after a few months of not firing it i took it outside for a few more shots and the rail blew off, this was not the only problem i had with this gun also the magazine had its problems also.i knew the gun wasn't going to last very long but i expected to last way longer then 2000 rounds or so.and the features of this gun are pathetic;1. the safety on this gun is a joke take out the mag then pull the safety on with pliers its hard to get at and hard to activate.2. the mag release is awkward where you need to change the position of your entire hand to use it or use your second hand the push it down because of a lip on the grip.3. i don't know if this is just mine but this gun love the double feed alot iv'e tried 2.0 gram bbs and 3.0 same issue.other than this the gun shot accurately, it had good feel with the kick and comfortable in the hands you can get around 80 shots per co2 in the summer but when it blew chunks up that's what bothered me the most i want to help people save their money and not waste it if you want kwc guns go for 1911s or czs type guns.
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