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Sig Sauer M400 TREAD 5.56NATO - 798681597765

Sig Sauer M400 Tread 5.56 Nato Rifle


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  • Description

    The M400 TREAD is an optics ready, aluminum frame rifle. TREAD features a 16" stainless steel barrel with a free-floating M-LOK handguard, a single-stage polished/hard-coat trigger, ambidextrous controls, a Magpul™ SL-K 6 position telescoping stock, a mid-length gas system, and is available in 5.56 NATO.

    The TREAD branded accessories include:

    • - M-LOK handguard with lightening cuts to reduce weight, available in 13" and 15" lengths;
    • - 3 chamber compensator;
    • - Ambidextrous charging handle made of aircraft grade aluminum and a dual roll pin design;
    • - ROMEO5 optic featuring a 2MOA dot with ten illumination settings, MOTAC, and 50k battery life;
    • - Flip-up front and rear iron sights that are easy to install, adjustable, and deploy quickly;
    • - M-LOK front sight adapter with co-witness height made of lightweight aluminum;
    • - Multiple configurations of M-LOK grip kits made of high strength polymer;
    • - Factory upgraded flat blade, single stage trigger.


    • Action: Direct Impingement
    • Action Type: Semi-Auto
    • Caliber: 223 Remington/5.56 NATO
    • Barrel Length: 16"
    • Capacity: 30+1
    • Mag Type: AR-15
    • Trigger: Single Stage Position/Hard-Coat
    • OAL: 30.8"
    • Weight: 7 lbs
    • Stock Description: 6-Position SL-K
    • Metal Finish: Black Hardcoat Anodized/Stainless Steel
    • Receiver Material: 7075 T6 Aluminum
    • Sights: None, Optic Ready
    • Barrel Description: Stainless Steel Free-Floating
    • Twist: 1:8"
    • Hand: Right
    • Stock Finish: Synthetic
    • Manufacturer Part Number: RM400-16B-TRD

    The purchaser of a hand gun must be 21 years of age or older. The purchaser is responsible for knowing his/her state and federal gun laws. Federal gun laws and regulations prohibits the transfer of a handgun to an out of state resident, therefore the "pick up in store" option is not avaliable to non Louisiana residents.

    The purchaser of a long gun must be 18 years of age. The purchaser is responsible for knowing his/her state and federal gun laws.


    WARNING: Cancer and Reproductive Harm:



    SHIPPING RESTRICTION: In compliance with Proposition 65, we are not able to ship to the state of California:

  • Other Details

    Caliber: 5.56
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