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Group Lot: Two 10-Round Sig Sauer Magazines .40; Two 10-Round Sig Sauer Magazines 9x19mm (HRR): A group of four steel magazines for Sig Sauer semi-automatic pistols. Two are for .40 S&W and the other for 9x19mm. All in very good to excellent condition overall appearing to function as designed. B

Group Lot: Two 10-Round Sig Sauer Magazines .40; Two 10-Round Sig Sauer Magazines 9x19mm (HRR)

Journey Auction Services LLC

US$5

Sig Sauer P320 Semi-Automatic Pistol 9mm Luger: Sig Sauer P320 semi-automatic pistol chambered in 9mm Luger. Renowned for its innovative modular design, the P320 features Sig Sauer's unique removable Fire Control Unit (FCU), allowing the firearm to

21 hrs Left

Sig Sauer P320 Semi-Automatic Pistol 9mm Luger

GWS Auctions Inc.

US$200

(2 bids)

SIG Sauer P211-GTO Spectre Comp Gold Accents NIB: The Ultimate Competition Machine: SIG Sauer P211-GTO Spectre Comp. This isn't just a handgun, it's a precision instrument designed by SIG Custom Works to dominate the competition circuit. Combining cl

21 hrs Left

SIG Sauer P211-GTO Spectre Comp Gold Accents NIB

GWS Auctions Inc.

US$1,400

(2 bids)

Sig Sauer P365 Fuse Comp Optic Ready 9mm Pistol: New in box P365 Fuse Comp optic ready semi-automatic pistol. Barrel length 3.7 inches. COMPACT (Shield RMSc) optic footprint, M1913 accessory rail and slide-integrated compensator. Includes three (3)

Jul 08, 2026

Sig Sauer P365 Fuse Comp Optic Ready 9mm Pistol

Affiliated Auctions

US$230

(2 bids)

NIB 100rds. of .38 SUPER AUTO +P 125gr. FMJ Sig Sauer Ammunition: See Photo(s)

NIB 100rds. of .38 SUPER AUTO +P 125gr. FMJ Sig Sauer Ammunition

Poinsett Auction & Realty, Inc.

US$1

Sig Sauer P226 MK-25-D 9mm MK25 FDE Tan Semi Automatic Pistol with Box: Up for auction is a Sig Sauer MK-25-D semi-automatic handgun chambered in 9x19mm. This one comes in its original box with foam, manual, and safety documents. It has one 13-round magazine with a Mec-Ga

Sig Sauer P226 MK-25-D 9mm MK25 FDE Tan Semi Automatic Pistol with Box

Old Steel Historical Firearms LLC

US$600

(6 bids)

Sig Sauer P365X "Anime Komodo" White/Gold Ltd.Ed. NIB: The Sig Sauer P365X Anime Komodo Limited Edition is a striking custom 9mm pistol that blends the proven reliability of the P365X platform with a bold white and gold anime-inspired design. This limited

21 hrs Left

Sig Sauer P365X "Anime Komodo" White/Gold Ltd.Ed. NIB

GWS Auctions Inc.

US$475

(2 bids)

Sig Sauer P320 Semi-Automatic Pistol 9mm Luger: Sig Sauer P320 semi-automatic pistol chambered in 9mm Luger. Renowned for its innovative modular design, the P320 features Sig Sauer's unique removable Fire Control Unit (FCU), allowing the firearm to

21 hrs Left

Sig Sauer P320 Semi-Automatic Pistol 9mm Luger

GWS Auctions Inc.

US$160

Amazing AR15 5.56 NATO 18" Barrel Free Float KeyMod Rifle: Up for auction is a custom AR-15 chambered in 5.56 NATO. Featuring an 18-inch barrel and a free-float KeyMod handguard, this rifle bridges the gap between a traditional carbine and a dedicated precisi

Amazing AR15 5.56 NATO 18" Barrel Free Float KeyMod Rifle

Old Steel Historical Firearms LLC

US$150

(2 bids)

Amazing AR15 5.56 NATO 16" Carbine Gas Lightweight KeyMod Rifle: Up for auction is a custom AR-15 chambered in 5.56 NATO. Featuring a versatile 16-inch barrel and a proven carbine-length gas system, this rifle delivers the reliability and handling characteristics t

Amazing AR15 5.56 NATO 16" Carbine Gas Lightweight KeyMod Rifle

Old Steel Historical Firearms LLC

US$10

NEW Ballistic Advantage 11.5" 5.56 NATO 1:7 Twist AR15 Barrel: Up for auction is a new Ballistic Advantage 11.5-inch AR-15 barrel chambered in 5.56 NATO with a 1:7 twist rate. Ballistic Advantage has earned a strong reputation among AR enthusiasts for producing h

NEW Ballistic Advantage 11.5" 5.56 NATO 1:7 Twist AR15 Barrel

Old Steel Historical Firearms LLC

US$60

(5 bids)

NEW Ballistic Advantage 11.5" 5.56 NATO AR15 Barrel 1:7 Twist: Up for auction is a new Ballistic Advantage 11.5-inch AR-15 barrel chambered in 5.56 NATO. Known for producing high-quality, performance-driven barrels, Ballistic Advantage is a trusted name among AR

NEW Ballistic Advantage 11.5" 5.56 NATO AR15 Barrel 1:7 Twist

Old Steel Historical Firearms LLC

US$20

(2 bids)

36 past auction results for "sig-556-scm"

Browse a record of outcomes from past auctions, including sale prices and unsold items.

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Sig Sauer SIG 551 A1 5.56 Nato: Like the Legendary Swiss SIG SG551 also coined "The Rolex of Battle Rifles" chambered in 5.56x45mm NATO and manufactured by SIG Neuhausen, Switzerland. This Sig Sauer (Swiss Arms) U.S manufactured ver

2026

Sig Sauer SIG 551 A1 5.56 Nato

Accurate Gun AuctionsClearwater, FL

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56 NATO: SERIAL NUMBER: JT006081. BARREL: 16". CALIBER: 5.56X45MM. Based on the Sig 550 series. Two stage match trigger. Adjustable gas system. Heavy weight barrel with a non-threaded muzzle, and a "1/8" twist

2025

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56 NATO

Milestone AuctionsWilloughby, OH

Sig Sauer 556 5.56x45mm Semi Auto Rifle: Description Sig Sauer 556 chambered in 5.56x45mm NATO with one, thirty round removable Sig magazine and a 16" barrel with a birdcage flash hider. 10" Ribbed polymer clamshell forend. Gas piston system

2025

Sig Sauer 556 5.56x45mm Semi Auto Rifle

Connecticut Firearms AuctionPlantsville, CT

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56 NATO: SERIAL NUMBER: JT006081. BARREL: 16". CALIBER: 5.56X45MM. Based on the Sig 550 series. Two stage match trigger. Adjustable gas system. Heavy weight barrel with a non-threaded muzzle, and a "1/8" twist

2025

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56 NATO

Milestone AuctionsWilloughby, OH

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56 NATO: SERIAL NUMBER: 44A010166. BARREL: 18". CALIBER: 5.56X45MM. MANUFACTURED: 2013. Based on the Sig 550 series. Two stage match trigger. Adjustable gas system. Heavy weight barrel with a non threaded muzz

2025

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56 NATO

Milestone AuctionsWilloughby, OH

SIG SIGM400 5.56 NATO TACTICAL Rifle. Excellent. 17.5" Barrel. Shiny Bore, Tight Action Semi Auto: SIG SIGM400 5.56 NATO TACTICAL Rifle. Excellent. 17.5" Barrel. Shiny Bore, Tight Action Semi Auto Features a Flat Top A4 Based Rifle , A2 Flashider, Front Sight Post with Bayonet Lug. Standard Carbine

2025

SIG SIGM400 5.56 NATO TACTICAL Rifle. Excellent. 17.5" Barrel. Shiny Bore, Tight Action Semi Auto

Gun Auctions USALargo, FL

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56 NATO: SERIAL NUMBER: 44A010166. BARREL: 18". CALIBER: 5.56X45MM. MANUFACTURED: 2013. Based on the Sig 550 series. Two stage match trigger. Adjustable gas system. Heavy weight barrel with a non threaded muzz

2024

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56 NATO

Milestone AuctionsWilloughby, OH

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56 NATO: SERIAL NUMBER: 44A010166. BARREL: 18". CALIBER: 5.56X45MM. MANUFACTURED: 2013. Based on the Sig 550 series. Two stage match trigger. Adjustable gas system. Heavy weight barrel with a non threaded muzz

2024

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56 NATO

Milestone AuctionsWilloughby, OH

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56X45MM.: SERIAL NUMBER: JS003745. BARREL: 16". CALIBER: 5.56X45MM. MANUFACTURED: 2010S. Factory barrel with A2 flash hider. Adjustable gas system. Down swept charging handle. Flip up Samson front and Midwest I

2024

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56X45MM.

Milestone AuctionsWilloughby, OH

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56X45: SERIAL NUMBER: 44A010180. BARREL: 18". CALIBER: 5.56X45MM. MANUFACTURED: 2010S. Based on the Sig 550 series. Two stage match trigger. Adjustable gas system. Heavy weight barrel with a non threaded muz

2024

SIG SAUER SIG 556 SEMI AUTO RIFLE IN 5.56X45

Milestone AuctionsWilloughby, OH

Sig Sauer SIG516 Semi Auto Rifle 5.56 NATO: Attention, esteemed bidders and tactical enthusiasts, gear up for the Sig Sauer SIG516, a semi-auto AR-15 rifle meticulously crafted for those who demand precision, reliability, and military-grade per

2024

Sig Sauer SIG516 Semi Auto Rifle 5.56 NATO

Brand Used WorksPenrose, CO

SIG SAUER SIG 556 5.56 NATO: The SIG Sauer 556 is the semi-automatic variant of the SG 550, a Swiss battle rifle chambered in 5.56 NATO. It differs from the original with its aluminum lower receiver that accepts M16 magazines. Th

2023

SIG SAUER SIG 556 5.56 NATO

Accurate Gun AuctionsClearwater, FL

Sig Sauer MCX 5.56 NATO: The MCX platform has long been SIG SAUER'S breeding ground for developing the best rifle system in the world through extensive testing, continued innovation and customer feedback. Now SIG SAUER Introd

2023

Sig Sauer MCX 5.56 NATO

Accurate Gun AuctionsDunedin, FL

(M) SIG SAUER SIG 556 SEMI-AUTOMATIC RIFLE WITH HARD CASE.: 16 - 1/4" barrel chambered in 5.56X45mm NATO with flip up front sight integral to adjustable gas block and flip up rear sight in rail. Polymer forearm with M4 style buttstock. Mounted with Grip Light

2023

(M) SIG SAUER SIG 556 SEMI-AUTOMATIC RIFLE WITH HARD CASE.

Dan Morphy AuctionsDenver, PA

Sig Sauer M400 Tread Snakebite SE 223 Rem 5.56 NAT: Sig Sauer M400 Tread Snakebite SE 223 Rem 5.56 NAT

2023

Sig Sauer M400 Tread Snakebite SE 223 Rem 5.56 NAT

Collectors AuctionsFarmers Branch, TX

Sig Sauer M400 Tread 223 Rem 5.56 Nato: Sig Sauer M400 Tread 223 Rem 5.56 Nato

2023

Sig Sauer M400 Tread 223 Rem 5.56 Nato

Collectors AuctionsFarmers Branch, TX

2023

Sig sauer M400 Tread .223 REM 5.56 NATO Black Rifl

Collectors AuctionsFarmers Branch, TX

2023

Sig sauer M400 Tread .223 REM 5.56 NATO Black Rifl

Collectors AuctionsFarmers Branch, TX

SIG SAUER P556 Pistol 5.56: Sig P556 semi auto pistol. Original box, manual and (1) twenty round magazine included. AR15 mags are compatible. This item can be shipped in-house. Please check the shipping details in our terms and

2023

SIG SAUER P556 Pistol 5.56

Blackwell AuctionsClearwater, FL

SIG ARMS (SIG) SIG 556 5.56 NATO Semi Auto Rifle. Very Good. 18" Barrel. Shiny Bore, Tight Action: SIG ARMS (SIG) SIG 556 5.56 NATO Semi Auto Rifle. Very Good. 18" Barrel. Shiny Bore, Tight Action Features a Birdcage Flashider, 1:7 Twist Barrel, Adjustable Gas System, Folding Factory Butt Stock, Am

2023

SIG ARMS (SIG) SIG 556 5.56 NATO Semi Auto Rifle. Very Good. 18" Barrel. Shiny Bore, Tight Action

Gun Auctions USALargo, FL

Sig Sauer M400 5.56 Semi Auto Rifle: Description Sig Sauer M400 in 5.56mm with one, thirty round removable Magpul magazine and a 16.5" barrel with flash hider. Magpul retractable black composite butt stock. Sig Sauer black textured compo

2023

Sig Sauer M400 5.56 Semi Auto Rifle

Connecticut Firearms AuctionPlantsville, CT

SIG SIG 556 5.56 NATO Rifle. Very Good. 18" Barrel. Shiny Bore, Tight Action Features Single Point: SIG SIG 556 5.56 NATO Rifle. Very Good. 18" Barrel. Shiny Bore, Tight Action Features Single Point Sling Attachment, Collapsible Sig Arms Butt Stock, Adjustable Piston Gas System, Bird Cage Flashider,

2022

SIG SIG 556 5.56 NATO Rifle. Very Good. 18" Barrel. Shiny Bore, Tight Action Features Single Point

Gun Auctions USALargo, FL

SIG SAUER SIG 556 RIFLE.: Cal. 5.56mm. S# JT021442. Bbl. 16" w/ threaded muzzle & A2 style flash hider. Bbl. marked "5.56 NATO 1/7 P". New Hampshire, USA mfg. Sig 556 carbine. Black finish on all exposed metal surfaces as well

2022

SIG SAUER SIG 556 RIFLE.

Poulin Antiques & AuctionsFairfield, ME

SIG SAUER MODEL 556 5.56x45mm SEMI AUTOMATIC RIFLE: SIG SAUER MODEL 556 5.56x45mm SEMI AUTOMATIC RIFLE Sig Sauer model 556 5.56x45mm semi automatic rifle with carrying case. The receiver is marked "Sig 556 5.56 NATO Sig Sauer INC. Exeter, NH". Black pa

2022

SIG SAUER MODEL 556 5.56x45mm SEMI AUTOMATIC RIFLE

Centurion AuctionsTallahassee, FL

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