Factory replacement 15" M-LOK free float handguard for Sig Sauer M400 Tread rifles. Features lightening cuts and two-screw installation for reduced weight and improved ergonomics.
Fits: Sig Sauer M400 Tread
This is the factory replacement handguard for Sig Sauer M400 Tread rifles, engineered to deliver both performance and practicality.
If you own a Sig Sauer M400 Tread and want to upgrade or replace your handguard, this is the genuine factory option. The M-LOK mounting system gives you flexibility to add lights, lasers, or other tactical accessories exactly where you need them. The free float design ensures your barrel vibrates independently of the handguard, which helps maintain accuracy shot after shot. Installation is straightforward with the two-screw design—no gunsmithing required.