Product Overview
- Semi-automatic AR-15 platform rifle chambered in 5.56 NATO.
- 16" chrome-lined barrel with a 1:8 twist rate and forged aluminum receiver finished in black anodize; California-compliant configuration.
- Must ship to a Federal Firearms License (FFL) holder.
Overview
The Sig Sauer M400 is a semi-automatic AR-15 platform rifle chambered in 5.56 NATO. It features a 16" chrome-lined barrel with a 1:8 twist, forged aluminum upper and lower receivers finished in black anodize, and an ambidextrous safety selector. At 35.5" overall and 6.5 lbs, the M400 ships in a California-compliant configuration and accepts standard AR-15 pattern accessories.
Key Features
- 16" chrome-lined barrel with a 1:8 twist rate stabilizes a wide range of 5.56 NATO projectile weights.
- Forged aluminum upper and lower receivers finished in black anodize for durability.
- Ambidextrous safety selector supports left- or right-handed operation.
- 35.5" overall length at 6.5 lbs.
- California-compliant configuration as shipped.
FFL & Compliance
This firearm must ship to a Federal Firearms License (FFL) holder. The buyer is responsible for knowing and complying with all applicable local, state, and federal laws prior to purchase. Magnum Ballistics does not provide legal advice or determine purchaser eligibility. We ship only to the FFL dealer selected during checkout.