The M400 Forge is SIG’s AR-pattern 5.56 NATO rifle with a cold hammer forged barrel. This model is chambered in 5.56 NATO with a 16″ barrel and a 30-round capacity, with a Flat Dark Earth finish. Manufacturer part number: RM400-556N-16B-FORGE-FDE.
Key features
- 5.56 NATO, 16″ barrel
- Capacity: 30 rounds
- Flat Dark Earth finish
Ordering from PM Customs in Yukon
PM Customs is a licensed FFL in Yukon, OK, serving the Oklahoma City metro. To check availability or order this SIG Sauer M400 Forge rifle, call 405-265-8955.







