Sig RM400 Tread Semi-Auto 5.56 16″ Coyote


The M400 TREAD is an optics ready, aluminum frame rifle. TREAD features a 16” stainless steel barrel with a free-floating M-LOK handguard, a single-stage polished/hard-coat trigger, ambidextrous controls, a Magpul™ SL-K 6 position telescoping stock, a mid-length gas system, and is available in 5.56 NATO.


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SKU: 25818 Categories: , ,
*Prices, specifications and availability are subject to change without notice. We reserve the right to correct typographic, photographic and/or descriptive errors. Stock photos provided to us by the manufacturer do not necessarily represent the actual item being purchased. Please refer to the title and description of the item before you place your order.

Sig RM400 Tread Semi-Auto 5.56 16″ Coyote

  • Action: Semi-Auto
  • Barrel: 16″
  • Caliber: 5.56  NATO
  • Capacity: 30
  • Finish: Coyote
  • Overall Length: 35.5″
  • Sights: None
  • Stock: 6 Position Magpul SL-K
  • Twist: 1:8″
  • Weight: 7 lbs
Action Type