Sig Sauer M400 SDI Rifles at the 2018 SHOT Show

Sig Sauer displayed an upgraded version of their Sig M400 rifles at the 2018 SHOT Show. These M4 style AR rifles are designed to bring the highest performance from the platform with standard features that match most aftermarket upgrades. The new M400 SDI rifles offer some enhancements over the current M400 Elite and Elite Ti rifles.

The Sig M400 SDI rifles include the M400 Comp, designed for competition shooters, and the M400 VTAC designed with assistance from Kyle Lamb.

Sig M400 SDI Comp and M400 SDI VTAC — Sig M400 Comp and M400 VTAC

For more info on the new Sig M400 SDI rifles watch this video from the 2018 SHOT Show.

Rob Reed

Rob Reed is a firearms instructor, collector and all around "projectile launcher enthusiast" in the Metro Detroit area. He also writes as the Michigan Firearms Examiner.