Product Overview
- AR-format pistol chambered in 5.56 NATO with an 11.5" cold hammer forged barrel and 30+1 capacity.
- SIG 2-Stage Matchlite Duo trigger and ambidextrous safety with a 1/2"-28 tpi threaded muzzle.
- Ships with a Magpul BSL pistol stabilizing brace on a hard coat anodized aluminum alloy receiver.
- Must ship to a Federal Firearms License (FFL) holder.
Overview
The Sig Sauer M400 TREAD in 5.56 NATO is an AR-format pistol built on hard coat anodized aluminum alloy receivers with an 11.5" cold hammer forged steel barrel and a carbine-length direct impingement gas system. At 30.1" overall length and 5.9 lbs, it ships with a Magpul BSL pistol stabilizing brace, a SIG 2-Stage Matchlite Duo trigger, and an optics-ready flat-top receiver.
Key Features
- 11.5" cold hammer forged steel barrel with carbine-length direct impingement gas system.
- 1:7 twist rate for broad compatibility with 5.56 NATO projectile weights.
- SIG 2-Stage Matchlite Duo trigger with a defined take-up stage and clean break.
- 1/2"-28 tpi tapered-shoulder muzzle threading for suppressor or muzzle device installation.
- Magpul BSL pistol stabilizing brace included for single-arm support.
- Ambidextrous safety selector for right- or left-handed operation.
- Optics-ready flat-top receiver compatible with standard AR-pattern optics mounts.
FFL & Compliance
This firearm must be shipped 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.