Specifications
Weapon type:
semi-automatic rifle
Weight:
3.45 kg
Calibre & Catrige:
.223 Remington (5.56x45mm NATO)
Designed:
2000s
Manufacturer:
SIG Sauer
Action:
Direct gas impingement system, rotating bolt
In service:
2010-Present
The Sig Sauer M400 is a semi-automatic firearm, intended for civilian and law enforcement markets. It fires from a close bolt and uses a direct gas impingement system. It is manufactured by SIG Sauer and it is based on the earlier AR-15 rifle. The rifle is hammer-fired with a single-stage trigger in most models. Some models include a two-stage trigger from the factory.