Sig Sauer M400 AR15 Features
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, the new M400-DH3 from SIG Custom Works. The first-ever rifle from SIG Custom Works features full-ambi controls with the new SIG-designed ambi bolt-catch and bolt-release, a Timney DH3 Two-Stage Trigger, a custom DH3 Adjustable stock, fluted stainless 223 Wylde barrel (for optimal 5.56 and 223 Rem performance) and a 3 Chamber Compensator for muzzle rise reduction.
Sig Sauer M400 AR15 Specifications
- DH3 Adjustable Stock
- 2-Stage Adjustable Timney Daniel Horner Signature Trigger
- Low Profile 3-Gun Handguard
- Ambidextrous Controls Including Bolt Catch/Release
- Fluted Competition Barrel
- Muzzle Brake
- 30-Round Magazine
- Cerakote Finish
| Barrel Length | 16 |
|---|---|
| Caliber | .223 Rem |
| Capacity | 30 |
| Condition | New in Box |
| Finish Per Color | Titanium |
| Manufacturer | Sig Sauer |
| Manufacturer Part Number | RM400-SDI-16B-DH3 |
| Model | M400 DH3 3-GUN |
| Type | Modern Sporting Rifles |
| UPC | 798681639519 |
Frequently Asked Questions About This Product
Why buy Sig Sauer M400 AR15 Aluminum .223 Wylde 16" Barrel 30-Rounds DH3 Stock from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy Sig Sauer M400 AR15 Aluminum .223 Wylde 16" Barrel 30-Rounds DH3 Stock?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is Sig Sauer M400 AR15 Aluminum .223 Wylde 16" Barrel 30-Rounds DH3 Stock available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: RIFLES, Modern Sporting Rifles.
What tags or features does this product have?
Key features and tags for this product include: Modern Sporting Rifles, RIFLES.
Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
FFL Transfer & Firearms Laws for Sig Sauer M400 AR15 Aluminum .223 Wylde 16" Barrel 30-Rounds DH3 Stock
All firearms, including the Sig Sauer M400 AR15 Aluminum .223 Wylde 16" Barrel 30-Rounds DH3 Stock, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the Sig Sauer M400 AR15 Aluminum .223 Wylde 16" Barrel 30-Rounds DH3 Stock is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.
