Sig Sauer M400 Tread BDX 16" 5.56mm Rifle w/ Sierra 3 BDX 3.5-10x42

Regular Price: $1,129.99
Our Price: $1,129.00
UPC: 798681639823
Out of stock
as of 10/24/2021 2:11PM CST

Store Inventory
Available OnlineOut of stock
Fountain Valley, CAOut of stock
The Colony, TXOut of stock

Please check your local/state laws prior to ordering
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Inter-Store Transfer

If this item is out of stock at your local RifleGear but available at our other location, no problem. Just place your order and select In-Store Pickup as the shipping method. As long as the item is legal in your location, we will transfer the item for you. You will be notified by e-mail when your item arrives.

The new Sig Sauer TREAD offers quality features at no compromise! Build off the Sig M400, it is easily configurable with components you'd find on higher end rifles.

The TREAD's handguard features M-LOK slots on each quadrant. Uses a sight rail section for front sight attachment(sold separately).

Includes the SIG SIERRA3 BDX 3.5-10x42 scope and rings.

Caliber 5.56 NATO
Capacity *30 Rounds
Barrel Length 16"
Stock Magpul SL-K
Barrel Stainless Steel
Trigger Single Stage
Length 30.8"
Handguard Free Float, Aluminum, M-LOK Compatible
Twist Rate 1:8
Muzzle Device Flash Hider
Receiver Finish Hard Coat Anodized
Width 2.5"
Height 7.5"
Charging Handle Ambidextrous
Operating System Direct Impingement
Weight 7 lbs


SIERRA3 BDX Specifications
Magnification 3.5-10x
Objective Lens Diamater 20 mm
Field of View 7.5'
Eye Relief 18 mm
Length 3.9 in
Height 2.9 in
Width 1.4 in
Weight 5.3 oz
Laser Divergence 2.0 MRAD
Waterproofing IPX-4
Battery (1) CR2
Runtime 4000 ranges
Diopter Adjustment Range +/- 3
Color Graphite
Reticle Circle
Display Type HT-LCD
Range on Deer Up to 600 y
Range on Trees Up to 800 y
Max Reflective Up to 1200 y

Please check your local/state laws prior to ordering

Important note about our photos
While we make every effort to ensure that our product photos are accurate, manufacturers occasionally change the design of components such as triggers, sights, or magazines without notice. Also, modifications to the firearm or component may be required in order to meet specific state compliance requirements. While we make every effort to accurately describe and illustrate the item you are going to receive, there may be visual differences on various components that do not affect functionality.

Federal law requires that you be 21 years of age or older to purchase a handgun, frame or receiver. To purchase a shotgun or rifle, you must be 18 years of age or older. 18 U.S.C. Section 922(b)(1).

As required by federal law, this item may only be shipped to a dealer with a valid Federal Firearms License. If you do not specify the name and shipping address of your dealer, your order will be delayed.
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California Residents
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to


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