Product Overview
- Semi-automatic AR-15 platform rifle chambered in 5.56 NATO with a 16" stainless steel barrel and 30+1 capacity.
- Includes a ROMEO5 Gen II red dot sight and a 6-position Magpul SL-K telescoping stock.
- Mid-length direct impingement gas system with a SIG 3-prong flash hider at the muzzle.
- Must ship to a Federal Firearms License (FFL) holder.
Overview
The Sig Sauer M400 COIL TREAD V2 in 5.56 NATO is a semi-automatic AR-15 platform rifle built on black anodized aluminum alloy receivers with a 16" stainless steel, mid-length direct impingement barrel. At 35.8" overall length and 7.0 lbs, it ships complete with a ROMEO5 Gen II red dot optic, a 6-position Magpul SL-K telescoping stock, and a SIG 2-Stage Matchlite Duo trigger.
Key Features
- 16" stainless steel barrel with mid-length direct impingement gas system for reduced felt recoil versus carbine-length setups.
- 1:8 twist rate offers broad compatibility across common 5.56 NATO bullet weights.
- SIG 2-Stage Matchlite Duo trigger delivers a defined take-up stage and clean break.
- ROMEO5 Gen II red dot sight included and ready to mount out of the box.
- 6-position Magpul SL-K telescoping stock for adjustable length of pull.
- Ambidextrous safety selector accommodates right- and left-handed operators.
- SIG 3-prong flash hider reduces visible muzzle flash at the shooter's position.
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.