Product Overview
- Semi-automatic AR-15 rifle chambered in 5.56 NATO with a direct impingement operating system.
- 16" free-float stainless steel barrel with 1:8" twist; adjustable rifle stock.
- Free-float M-LOK handguard, ambidextrous safety, two-stage trigger, and flip-up iron sights included.
- Must ship to a Federal Firearms License (FFL) holder.
Overview
The Sig Sauer M400 Pro is a semi-automatic AR-15 style rifle chambered in 5.56 NATO, operating via a direct impingement system. The 16" free-float stainless steel barrel features a 1:8" twist rate and a Sig Sauer muzzle brake. The hard coat anodized black aluminum receiver pairs with a free-float M-LOK handguard and an adjustable rifle stock. Overall length ranges from 32.5" to 35.75" and weight is 6.5 lbs.
Key Features
- 5.56 NATO chambering with 30+1 round capacity
- Direct impingement operating system
- 16" free-float stainless steel barrel with 1:8" twist and Sig Sauer muzzle brake
- Adjustable rifle stock; OAL 32.5"–35.75"
- Free-float M-LOK aluminum handguard
- Two-stage trigger with ambidextrous safety
- Adjustable flip-up iron sights; hard coat anodized black aluminum receiver
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. Magnum Ballistics does not provide legal advice or determine purchase eligibility. We ship only to the FFL dealer selected during checkout.
