Description
Item Description
Bryant Ridge Co. is pleased to present this semi-automatic rifle for a penny-start auction, this is the Sig Sauer M400 Tread.
SPECIFICATIONS:
Manufacturer: Sig Sauer
Model: M400 Tread
Serial: 20L112978
Caliber: 5.56 Nato
Finish: Green Cerakote
Barrel Length: 16"
Optics/Sights: Trijicon 1-4x24 Scope w/ Leupold Rail Mount & Rings
Stock/Grips: Textured Black Synthetic
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The Sig Sauer M400 Tread is a well-rounded AR-15-style semi-automatic rifle that balances reliability, modularity, and shooter-friendly ergonomics, making it a popular choice for recreational shooting, home defense, and entry- to mid-level competition. Built by SIG Sauer, the M400 Tread is chambered in 5.56×45mm NATO/.223 Remington and features a cold hammer-forged barrel—typically around 16 inches—with a parkerized finish that enhances corrosion resistance and ensures long service life. The rifle’s direct-impingement gas system operates smoothly with common ammunition, and its forged 7075-T6 aluminum receiver set provides a strong, lightweight foundation compatible with standard AR-15 parts and accessories. The Tread’s ergonomics are thoughtfully configured, including a flat-top Picatinny rail for optics, adjustable iron sights, an M-LOK handguard for modular accessory mounting, and an adjustable stock that lets the shooter tune the length of pull for comfort and control. Controls such as the bolt catch, magazine release, and safety selector are mil-spec, making the rifle intuitive for experienced AR users while remaining approachable for newcomers. Combined with a comfortable pistol grip and a crisp trigger that balances control and responsiveness, the M400 Tread helps shooters maintain accuracy in rapid-fire or controlled-shot scenarios. Its overall design underscores SIG Sauer’s focus on reliability and versatility—whether paired with a red-dot optic for close-to-mid-range engagements, outfitted with lights and slings for defensive setups, or enhanced with aftermarket components for sport shooting. The Sig Sauer M400 Tread is a capable, adaptable platform that delivers dependable performance and comfortable handling right out of the box.
Contents:
Model: M400 Tread
Serial: 20L112978
Caliber: 5.56 Nato
Finish: Green Cerakote
Barrel Length: 16"
Optics/Sights: Trijicon 1-4x24 Scope w/ Leupold Rail Mount & Rings
Stock/Grips: Textured Black Synthetic
Action: Semi-Automatic
Markings: Standard
Bryant Ridge's Analysis:
The Sig Sauer M400 Tread is a well-rounded AR-15-style semi-automatic rifle that balances reliability, modularity, and shooter-friendly ergonomics, making it a popular choice for recreational shooting, home defense, and entry- to mid-level competition. Built by SIG Sauer, the M400 Tread is chambered in 5.56×45mm NATO/.223 Remington and features a cold hammer-forged barrel—typically around 16 inches—with a parkerized finish that enhances corrosion resistance and ensures long service life. The rifle’s direct-impingement gas system operates smoothly with common ammunition, and its forged 7075-T6 aluminum receiver set provides a strong, lightweight foundation compatible with standard AR-15 parts and accessories. The Tread’s ergonomics are thoughtfully configured, including a flat-top Picatinny rail for optics, adjustable iron sights, an M-LOK handguard for modular accessory mounting, and an adjustable stock that lets the shooter tune the length of pull for comfort and control. Controls such as the bolt catch, magazine release, and safety selector are mil-spec, making the rifle intuitive for experienced AR users while remaining approachable for newcomers. Combined with a comfortable pistol grip and a crisp trigger that balances control and responsiveness, the M400 Tread helps shooters maintain accuracy in rapid-fire or controlled-shot scenarios. Its overall design underscores SIG Sauer’s focus on reliability and versatility—whether paired with a red-dot optic for close-to-mid-range engagements, outfitted with lights and slings for defensive setups, or enhanced with aftermarket components for sport shooting. The Sig Sauer M400 Tread is a capable, adaptable platform that delivers dependable performance and comfortable handling right out of the box.
Contents:
This example will ship with the factory-labeled box and all other contents pictured above.
Return Policy:
We gladly offer a 3-day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Shipping Details
Handgun Standard Shipping with Insurance $50.00
Long Gun Standard Shipping with Insurance $70.00
Any orders placed with magazines that are not compliant with your state, county, or city regulations will not ship with your order.
We strive to ship orders within the close of the following business day after payment and documentation is received.
Payment Details
We accept all forms of Payment including Personal Check, Business Check, PO Money Orders, Certified Check, Etc.
Please note we place a 7 business day hold on shipment, for all non-certified payments.
Payment MUST be received within 14 days.
Return Policy
We gladly offer a 3 day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Additional Details
Our #1 priority is customer satisfaction. We want to build a lasting trust in the relationship with our customers, so that you will always look to us for all your firearms needs. If you have any issues with your transactions please contact us, and we will work with you to resolve any issues you may have. We greatly appreciate your trust in us and we look forward to fulfilling all your future firearm needs.
Bryant Ridge also reserves the right to cancel any sales that may occur while gunbroker.com is experiencing technical issues that affects the entire site or a complete site outage, within an hour of the auction ending.
We have an amazing inventory of classic and collector firearms that we are adding to Gunbroker daily. Stay up to date on all of our latest auction by adding us to your favorite sellers list.
Additional Information
GunbrokerLink: |
https://www.gunbroker.com/item/1152154282 |
BidPrice: |
0.01 |
AuctionEndDate: |
2026-02-15 22:00:00 |
CurrentBid: |
1275 |
SoldOutTime: |
2026-02-15 17:02:23 |





