Sig Sauer M400 SDI XSeries 5.56 16″ Barrel 30-Rounds

SIG SAUER M400 SDI XSeries Features

The M400 SDI XSeries is equipped with a fluted competition barrel, optimizing heat dissipation and weight reduction for improved performance. The SIG Flatblade Match Trigger ensures a clean and consistent break, enhancing precision shooting.

With a hybrid compensator/flash hider, this rifle offers enhanced muzzle control while reducing flash signature, making it ideal for tactical and competition shooting. Its collapsible and folding MAGPUL SL stock adds versatility, allowing for compact storage and customizable length-of-pull adjustments.

SIG SAUER M400 SDI XSeries Specifications

• Caliber: .223 Rem / 5.56 NATO
• Action: Semi-Auto
• Barrel Length: 16 inches
• Twist Rate: 1:7 inches
• Overall Length: 33.5″ – 36.8″
• Capacity: 30+1 rounds
• Stock Type: Collapsible / Folding MAGPUL SL Stock
• Thread Pattern: 1/2×28
• Sights: None
• Weight: 7 lbs. (Shipping Weight: 10 lbs.)
• Additional Features:
  • Fluted Competition Barrel
  • SIG Flatblade Match Trigger
  • Hybrid Compensator/Flash Hider