Sig Sauer P556

The Sig Sauer P556 Semi Auto Pistol is a great choice for personal protection. It features a 10 inch military grade cold hammer forged barrel, chambered in 5.56mm NATO. The pistol also comes equipped with a smooth two-stage trigger, ambidextrous safety and will accept standard AR magazines.

Sig Sauer P556 Price History

A Sig Sauer P556 is currently worth $2,406.84 new and $1,965.41 used. The price is based on 115 sold items.
Price Description Condition Date Sold
$1,900.00 5.56mm NATO (.223 Rem.) Awesome Sig Sauer P556 5.56 Pistol NEW Must Have New 11/28/2022
$3,959.00 5.56mm NATO (.223 Rem.) SIG556 Pistol Sig Sauer Swiss Made SG551P 16'' Factory New 8-634 16 inch " barrel New 10/24/2022
$4,005.00 Other Model Sig Sauer Ultra Rare PE90 PE90P 5.56 Pistol w/ Green Furniture Collector New 10/17/2022
$1,651.00 5.56mm NATO (.223 Rem.) Awesome Sig Sauer P556 5.56 Pistol NEW Must Have New 10/3/2022
$1,499.00 5.56mm NATO (.223 Rem.) Sig Sauer P556 Pistol 556 5.56 Not AR15 Galil Ace Scar MCX 10 inch " barrel Used 9/21/2022
$2,031.00 5.56mm NATO (.223 Rem.) Awesome Sig Sauer P556 5.56 Pistol NEW Must Have New Old Stock 8/29/2022

Sig Sauer P556 Specs

Brand Category MSRP UPC Caliber Action Capacity Barrel Length Finish Weight Length Sight Type
Sig Sauer Pistols & Revolvers $790.88 - $1154.30 798681414604 7.62x39mm Soviet
.338 Lapua Magnum
.223 Remington
.300 AAC Blackout
Semi-Automatic 17+1 rounds
30 rounds
10.5" inches
20.9" inches
Hard-Coat Alloy
Hard-Coat Alloy Hard-Coat Alloy
40 oz 10.5"
Locking Flip-Up
None (Optics Ready)
rear rotary diopter sight

Sig Sauer P556 Variants

Sig Sauer P556 Classic Swat

.223 Remington / 30 rounds


Sig Sauer P556 Videos

Sig Sauer P556 Ratings

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User Ratings
Matthew P
Rating: 100%

I bought a Sig Sauer P556 from Nice Gun Nice Service and I am so happy with my purchase. The gun is perfect for my needs, it's lightweight and has a great design. The service was also excellent, they were very helpful and answered all of my questions. I would recommend this store to anyone looking for a gun!

September 23, 2021

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