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![]() Sig Sauer M400 Tread 5.56, 16" Barrel, 30-Rd Guns International #: 103059444 Seller's Inventory #: 10300 Category: Sig Sauer Rifles - M400 - Tactical Rifles Seller's Information When emailing or calling sellers direct, please mention that you saw their listing on GunsInternational.com ![]() Seller: United Patriot Supply Company: United Patriot Supply LLC Member Since: 3/28/25 State: Kansas Zip: 66538 Country: United States Phone: (785) 999-4867 Fax: (785) 572-1094 Platinum Seller Number of Active Listings: 990 Total Number of Listings: 1055 Seller: FFL Dealer Return Policy: 3 day inspection and return policy on used guns. Payment Types Accepted: Credit Card- Visa, Mastercard, Discover, American Express About Us: At United Patriot Supply, we are more than just a firearms dealer – we embody the spirit of tradition, showcase expertise, and ignite passion among outdoor enthusiasts across the USA. Our flagship store offers one of the Midwest's largest and most diverse selections of firearms, ammunition, and shooting supplies. Our showroom features more than 1,000 guns on display, ranging from handguns, to rifles and shotguns. We also have high-demand ammo calibers, specialty ammunition, security safes, optics, flamethrowers, and other goods. We work with a nationwide network of FFLs so gun buyers across the country and can have their purchases delivered to their preferred FFL closest to home. Description: 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-made for accuracy and longevity, while the free-float M-LOK handguard allows for easy mounting of accessories. With a 30-round magazine, it provides ample capacity for range sessions or defensive scenarios. The Tread"s direct impingement system and high-quality components reflect Sig Sauer"s commitment to performance. Designed to be user-upgradable, it accommodates drop-in triggers, different stocks, or enhanced controls. A mid-length gas system helps reduce recoil, making follow-up shots smoother. Whether you"re a first-time AR buyer or a seasoned shooter, the M400 Tread stands out for its blend of quality, modularity, and value. Price: $849.99 Manufacturer: Sig Sauer Model: M400 Tread Caliber Info: 5.56 NATO Condition: New Barrels: 1 Barrel Type: 16-inch stainless Action: Semi-Auto Triggers: Single Stock: Synthetic or aluminum handguard Fore End: Free-float M-LOK Finish: Black Sights: Optics ready Extras: Modular AR |