Smith and Wesson Sigma .40 cal Combat Pistol Review

The Sigma is Smith & Wesson's venture into using synthetic materials in gun construction, using high-strength polymer material for the frame.

Created in 1994, it also incorporates a self-cocking or double-action only firing mechanism, so that the pistol can be fired without delay or preparation. The basic model is chambered for the .40 S&W cartridge, but it is also available in 9 x 19mm Parabellum and a sub-compact model in .380 ACP was also manufactured. A limited amount of these guns were also chambered for the .357 Sig cartridge.

The Sigma series pistols are so similar to the competing Glock pistols that Glock sued Smith & Wesson for patent infringement. The case was settled out of court in 1997, with S&W agreeing to make alterations to the Sigma design and pay an undisclosed amount to Glock.

In 1999 S&W improved the Sigma series with the main changes being shortening of the barrel and the slide by .5 inch (12.7 mm). Other improvements included a more ergonomic and comfortable grip and a slightly enlarged ejection port, due to the proprietary accessory rails located at the front (an inexpensive adapter can be attached to turn it into a standard picatinny mount).

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[82syreeta]

i have one can you ajust the rear sights if so how

[GunsmithUSA]

@82syreeta Yes, the rear adjusts the left to right, if the gun is in a vice you can tap or press the sight over. the front does the up and down by getting shorter or longer posts to snap on.

[routerpimp]

You're talking about the mag release on the thumb side or the smooth contoured button on the finger side? If the latter, is that pushed out and replaced with a button? Otherwise, it doesn't appear to be able to be pushed in. LOVE this gun though - such a great reliable gun for a relatively tiny amount of money. I bought this one as an extra home defense weapon.

[GunsmithUSA]

@routerpimp That flush button is the back of the mag release. The mag release button goes all the way through the gun to the other side. Watch the flush side while you press the mag release button.

[evlcon1]

Awesome video. Ive had mine for two years and been through a thousand rounds with no problems. Nice trick on breakdown. Its real easy to clean. Good bang for the buck.

[johnwayne47mob]

Shot till threat eliminated

[ripjamar2700]

@GunsmithUSA thanks

[GunsmithUSA]

@ripjamar2700 Not that I know of.

[ripjamar2700]

@GunsmithUSA can this gun take a 30rd clip?

[denniscasey5]

Really love this gun! I've had it for abt 4 years, carry it and shoot it all the time. Out of all the handguns I have this is the best for the price. Thx for the video!!!

[campbellbinns]

i got mine for 250 with 50rnds through it. ive never seen a takedown like that though

[kingpins9]

Can you shoot 9mm in these with just a barrel and mag change?

And thanks for the vids !

[1505tow]

Great Gun, paid 269.00 at Hoffman's in CT

[IAMCORNDOG123456]

Basically you say basically too much. :)