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Sig Sauer Rifles - M400
NEW TODAY!
GI#: 103469566
Guns Listing ID: 608250The M400-TREAD V2 extends the legacy of one of SIG SAUER’s most popular modern sporting rifles, bringing upgraded features directly inspired by user feedback. Built to raise the
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$1,099.99
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Seller:
Guns Dot Com
$1,099.99
NEW THIS WEEK!
GI#: 103463615
Guns Listing ID: 619460This Sig Sauer rifle comes with one 30-round magazine, and an adjustable stock.Get the best bang for your buck when you get a
Certified Used Firearm . When you see the Certifie
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$699.99
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Seller:
Guns Dot Com
$699.99
NEW THIS WEEK!
GI#: 103461712
Guns Listing ID: 619396Scope missing throw lever.The SIG Sauer M400 in .223 Remington/5.56 NATO paired with a SIG Tango 1-6x24 scope is a versatile, reliable AR-15 style rifle setup that‚s well-
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$799.99
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Seller:
Guns Dot Com
$799.99
GI#: 103460202
Excellent SIG M400
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$795.00
Payments:
PERSONAL CHECK, USPS MONEY ORDER, CERTIFIED FUNDS, CREDIT CA...more
Payments:
PERSONAL CHECK, USPS MONEY ORDER, CERTIFIED FUNDS, CREDIT CARDS WITH 3% FEE DISC ...more
Seller:
Kevin’s Guns Saint Charles
$795.00
GI#: 103457951
This rifle has 1660 rounds through it over a period of four years. It has been cleaned and maintained every couple hundred rounds and is cosmetically exceptional. I have never had a single malfuncti
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$750.00
Payments:
PayPal, money order
Payments:
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Seller:
Peter91
$750.00
GI#: 103452603
This Sig Sauer M400 Rose edition is chambered in 5.56 Nato. It features a 16.5" barrel and comes with a special Sig Romeo Rose edition red dot optic. Included is the original box, special Sig car
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$999.99
Seller:
Bass Pro - Concord
$999.99
GI#: 103448971
This SIG Sauer SIGM400 is a right-hand semi-auto rifle in 5.56 NATO Cal. The barrel is 16.5 inches long, with a flash hider. It has a metal floating handguard. The stock is a MOE SL-K adjustable stock
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$929.99
Seller:
Cabelas Richfield
$929.99
GI#: 103448073
GI#: 103448073
"SN: 20L169440. Modern production, 5.56 with a 16"" barrel. Bore is bright with strong rifling. Semi-auto tactical rifle with a Sig Romeo5 red dot optic, adjustable gas block, and Magpu
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$1,095.00
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Payments:
M/C, VISA, American Express and Discover
Seller:
Collectors Firearms
$1,095.00
GI#: 103446472
GI#: 103446472
"SN: 20L186388. Modern production, 5.56 with a 16"" barrel. Bore is bright with strong rifling. Semi-auto tactical rifle with a Magpul MVG vertical grips, adjustable gas block, and flip
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$995.00
Payments:
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Payments:
M/C, VISA, American Express and Discover
Seller:
Collectors Firearms
$995.00
GI#: 103445928
Guns Listing ID: 615084Includes hard Flambeau case and 1 ten round magazine. Barely fired, excellent condition.
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$777.99
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Seller:
Guns Dot Com
$777.99
GI#: 103445890
Guns Listing ID: 615046RIFLE: SIG SAUER MODEL M400 RIFLE, SERIAL NUMBER 20L170454, SEMI - AUTOMATIC, 5.56MM, 16\
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$809.99
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Seller:
Guns Dot Com
$809.99
GI#: 103445716
GI#: 103445716
Guns Listing ID: 614846RIFLE: SIG SAUER MODEL M400 TREAD (RM400-16B-TRD), SERIAL NUMBER 20L175716, BLACK (MATTE), CASE NOT INCLUDED, SEMI - AUTOMATIC, 5.56 NATO, 16 Notes: This SIG Sauer SIGM400 Tread
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$869.99
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Seller:
Guns Dot Com
$869.99
GI#: 103442130
GI#: 103442130
MANUFACTURER: SIG SAUER
FAMILY: SIGM400 Series
MODEL: M400 Rose
TYPE: Rifle
ITEM GROUP: AR Style Centerfire Rifles
ACTION: Semi-Auto
CALIBER/GAUGE: 22
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$1,439.00
Payments:
Check, Bank Wire and Major Credit Cards w/3% fee
Shipping: $49.00
Payments:
Check, Bank Wire and Major Credit Cards w/3% fee
Shipping: $49.00
Seller:
Advanced Arms
$1,439.00
GI#: 103439070
Guns Listing ID: 613030Practically New
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$869.99
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Seller:
Guns Dot Com
$869.99
GI#: 103434799
Guns Listing ID: 611725that SIG is known for worldwide. Designed for consistent performance and long-term reliability, the M400 features quality construction, excellent balance, and refined ergonomics
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$985.99
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Seller:
Guns Dot Com
$985.99
GI#: 103434784
Guns Listing ID: 611708This Sig Sauer M400 features a Magpul SL-K adjustable stock, a Sig vertical foregrip, QD sling mounts and sling, an ambidextrous safety, an ambidextrous mag release, a 15\"
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$1,299.99
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Seller:
Guns Dot Com
$1,299.99
GI#: 103431484
Guns Listing ID: 610809RIFLE: SIG SAUER MODEL M400 SDI XSERIES, SERIAL NUMBER 21P021377, BLACK (MATTE), YES - INCLUDES HARD PROTECTIVE CASE, SEMI - AUTOMATIC, 5.56 NATO, 18
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$1,199.99
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Seller:
Guns Dot Com
$1,199.99
GI#: 103410564
Guns Listing ID: 605897In good condition. Comes with a side folding stock and bipod. No magazine included.
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$899.99
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Seller:
Guns Dot Com
$899.99
GI#: 103409905
GI#: 103409905
"SN: 20L247410. Modern production, 5.56 with a 16"" barrel. Bore is bright with strong rifling. Semi-auto tactical rifle with Sig Romeo-MSR red dot optic, Sig vertical grip kit, and a f
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$1,099.95
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Seller:
Collectors Firearms
$1,099.95
GI#: 103406468
Guns Listing ID: 604589This Sig Sauer rifle comes with one 30-round magazine, and the original box.Get the best bang for your buck when you get a
Certified Used Firearm . When you see the Certified U
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$799.99
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Seller:
Guns Dot Com
$799.99
GI#: 103392335
Guns Listing ID: 600370This Sig Sauer rifle comes with one 30-round magazine, the original box, owner‚s manual, an adjustable stock, Magpul MBUS flip-up sights, an ambidextrous magazine release,
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$999.99
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Seller:
Guns Dot Com
$999.99
GI#: 103386367
Guns Listing ID: 599256Sig Sauer M400 Tread V2 w/Optic 5.56 NATO 30+1 16\" Stainless Barrel; Black Hard Coat Anodized Picatinny Rail Aluminum Receiver; M-LOK Handguard; Black Synthetic 6 Position
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$1,043.99
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Seller:
Guns Dot Com
$1,043.99
GI#: 103381422
Guns Listing ID: 478610Sig Sauer M400 5.56 NATO Semi-Auto Rifle - 30+1 Rounds, 16\" Barrel, Black Stock, SyntheticIncludes a free-floating M-LOK handguard, which promotes accuracy and handling. Q
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$1,365.99
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Seller:
Guns Dot Com
$1,365.99
GI#: 103380185
Guns Listing ID: 596998Sig Sauer M400 Classic AR-15 Rifle - 5.56 NATO - 16\" - Pre-Owned Rifle in VERY GOOD Condition - Very Little Wear on Any of the Metal Parts - 6-Position Black Polymer Stock
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$899.99
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Seller:
Guns Dot Com
$899.99
GI#: 103372948
Guns Listing ID: 5952991-30 round magazine, the original soft case, manual and a sling are included. Equipped with a BCM stock, BCM pistol grip and a 3-prong muzzle brake. Get the best bang for your b
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$1,399.99
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Seller:
Guns Dot Com
$1,399.99
GI#: 103367307
GI#: 103367307
$1,299.99
Payments:
Visa, Mastercard, Amex, Money Order, Certified Check
Payments:
Visa, Mastercard, Amex, Money Order, Certified Check
Seller:
GUNPRIME
$1,299.99
GI#: 103361910
SIG SAUER M400 TREAD 5.56 NATO
- NEW - NEVER FIRED
- INCLUDES FACTORY BOX & FACTORY 30 ROUND MAG
- SELLING DUE TO CUSTOMER LOCATION IN CA; NOT CALIFORNIA COMPLIANT
*S
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$1,050.00
Payments:
All Credit Cards and Cashier's Check
Payments:
All Credit Cards and Cashier's Check
Seller:
ShootingSports
$1,050.00
GI#: 103355689
Guns Listing ID: 590232This Sig Sauer M400 features a 1/8 twist, a 3-prong flash hider, a 15\" M-Lok handguard, an ambidextrous mag release, an ambidextrous safety, and a MOE SL-K stock. One 30-r
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$799.99
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Seller:
Guns Dot Com
$799.99
GI#: 103332993
GI#: 103332993
Condition: New
Manufacture Date: 2025
Serial Number: 20L252624
SKU: RM400-16B-ROSE-R5X2
Manufacturer: Sig Sauer
Model: M400 Rose
Caliber: 5.56 NATO
Action: Semi-auto
Trigger: Sig 2-
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$1,369.99
Payments:
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Seller:
SGO GUN ROOM
$1,369.99
GI#: 103296085
Guns Listing ID: 574665This Sig Sauer M400 features a target-type buttstock with an adjustable cheek and a threaded barrel. One 30-round magazine is included. Get the best bang for your buck when you
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$1,099.99
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Seller:
Guns Dot Com
$1,099.99
GI#: 103261333
Guns Listing ID: 564711Sig Sauer M400 5.56 NATO 10+1 16\" Black Nitride Threaded Barrel, Black Anodized w/Rose Gold Controls Picatinny Rail Aluminum Receiver, M-LOK Handguard, Magpul SL Telescopi
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$1,399.99
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Seller:
Guns Dot Com
$1,399.99
GI#: 103230118
GI#: 103230118
"Semi-Automatic Tactical Rifle with a 16"" Barrel. Anodized Finish, Magpul SL Stock, Sig Flatblade Match Trigger, Mid-Length Gas System, And Full Ambidextrous Controls. Includes 1-30rd
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$1,499.95
Payments:
M/C, VISA, American Express and Discover
Payments:
M/C, VISA, American Express and Discover
Seller:
Collectors Firearms
$1,499.95
GI#: 103229237
GI#: 103229237
NEW IN STOCK
Sig M400 Tread AR-15 Rifle RM40016BTRD, 223 Remington/5.56 NATO, 16.5", Magpul SLK Black Stock, Black Finish, 30 Rds
Model: M400 TREAD
Caliber: 5.56mm NATO
Barrel Le
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$849.99
Payments:
MONEY ORDER, CERTIFIED CHECK, 3% PREMIUM ADDED CREDIT CARD
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Payments:
MONEY ORDER, CERTIFIED CHECK, 3% PREMIUM ADDED CREDIT CARD
Seller:
DOMINIONOUTDOORS
$849.99
GI#: 103224471
GI#: 103224471
$1,749.99
Payments:
Visa, Mastercard, Amex, Money Order, Certified Check
Payments:
Visa, Mastercard, Amex, Money Order, Certified Check
Seller:
GUNPRIME
$1,749.99
GI#: 103221174
Guns Listing ID: 554574SIG SAUER M 400Purchase with confidence today!!This firearm is in very good condition!This firearm does show signs of very light usage with very light scratches on both sides of
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$899.99
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Seller:
Guns Dot Com
$899.99
GI#: 103201156
Guns Listing ID: 617657SIG SAUER M400 TREAD 5.56 NATO RIFLE WITH 16\" BARREL, FREE-FLOAT M-LOK HANDGUARD, FLAT-TOP UPPER, AND ENHANCED CONTROLS. EQUIPPED WITH SIG ROMEO-MSR RED DOT OPTIC. GOOD CO
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$799.99
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Seller:
Guns Dot Com
$799.99
GI#: 103200437
Guns Listing ID: 108017The M400 TREAD is easily customizable with a full line of purpose-built accessories, designed and built in the USA. The TREAD is an aluminum frame rifle, that is optics ready, T
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$880.99
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Seller:
Guns Dot Com
$880.99
GI#: 103194325
Guns Listing ID: 546710CPJ014077 (JDI) Featuring a lightweight and rigid free-floating M-LOK® enhanced handguard, the SIG SAUER® M400 Tread V2 Semi-Auto Rifle provides exceptional control and lets you
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$1,650.99
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Seller:
Guns Dot Com
$1,650.99
GI#: 103178248
Guns Listing ID: 541410This Firearm is in very good condition with a nice green camoflage. The firearm comes with a magpul Bi-Pod and foregrip.
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$949.99
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Seller:
Guns Dot Com
$949.99
GI#: 103139694
Guns Listing ID: 528050As you can see from the photo‚s this Sig Sauer is in good condition. It has an upgraded rear sight with two apertures and can also adjust up and down.So, you can buy with
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$899.99
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Seller:
Guns Dot Com
$899.99
GI#: 103089584
Guns Listing ID: 514846The SIG Sauer M400 is an affordable high-quality AR-15 that is direct impingement gas-operated and chambered in 5.56x45mm (5.56 NATO). It features a rotating locking bolt a corr
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$1,000.99
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Seller:
Guns Dot Com
$1,000.99
GI#: 103086324
GI#: 103086324
Guns Listing ID: 511952Sig Sauer M400 Sentry Package 5.56 NATO 30+1 16\" Threaded Barrel, Black Anodized Picatinny Rail Alloy Steel Receiver, M-LOK Handguard, 6 Pos Magpul SL Black Stock, Reduced
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$1,749.99
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Seller:
Guns Dot Com
$1,749.99
GI#: 103083219
GI#: 103083219
After two full years of competitive shooting with SIG SAUER'S SDI Comp Rifle, Team SIG's Daniel Horner has refined the platform to meet his competition needs and developed the ultimate 3-Gun rifle, th
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$1,749.99
Payments:
PERSONAL CHECK, USPS MONEY ORDER, CERTIFIED FUNDS, CREDIT CA...more
Payments:
PERSONAL CHECK, USPS MONEY ORDER, CERTIFIED FUNDS, CREDIT CARDS
Seller:
HighbyOutdoors
$1,749.99
GI#: 103078053
Guns Listing ID: 509498This Sig Sauer M 400 is in very good condition as you can see from the listing photos with light wear from little use.
This AR style rifle comes with one magazine and a Firefie
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$979.99
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Seller:
Guns Dot Com
$979.99
GI#: 103077900
Guns Listing ID: 493624The M400 ROSE was developed in collaboration with World Champion Lena Miculek at the request of the ROSE community to help encourage and inspire women to take on the responsibil
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$1,399.99
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Seller:
Guns Dot Com
$1,399.99
GI#: 103059444
GI#: 103059444
The Sig Sauer M400 Tread is a feature-rich AR-15 style rifle chambered in 5.56 NATO, offering reliability and adaptability straight from the factory. Its 16 inch stainless steel barrel is precision-ma
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$859.99
Payments:
Credit Card- Visa, Mastercard, Discover, American Express
Shipping: $39.99
Payments:
Credit Card- Visa, Mastercard, Discover, American Express
Shipping: $39.99
Seller:
United Patriot Supply
$859.99
GI#: 103056789
GI#: 103056789
Sig Sauer Model M400 AR-15 Rifle
.223 / 5.56 NATO calibers
As new unfired condition
No box
Magpul furniture
6 position collapsible stock
16" barrel A2 profile (has bayonet lug&#
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$1,395.00
Payments:
Cashiers Check,Money Order
Payments:
Cashiers Check,Money Order
Seller:
Elephant & Castle Fine Arms
$1,395.00
GI#: 102912237
GI#: 102912237
$1,579.00
Payments:
Visa, Mastercard, Amex, Money Order, Certified Check
Payments:
Visa, Mastercard, Amex, Money Order, Certified Check
Seller:
GUNPRIME
$1,579.00
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GunsInternational.com is the #1 Gun Classified website that brings gun buyers and gun brokers or sellers together through classified advertising of guns, gun related items and services for sale online. If you are looking to buy guns online or sell guns online, you have come to the right place. GunsInternational.com gun classifieds currently have over 200,000 guns for sale online by numerous dealers and collectors alike. Guns International makes no representation or warranty as to the accuracy of the information contained in the gun classifieds, gun parts or gun services classifieds listings. Buyers and sellers are required to know and comply with all applicable local, state, federal and international firearm laws.
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