Geissele Automatics Super MCX SSA M4 Trigger Bow


  • Legendary SSA trigger now for the MCX!
  • Designed for combat, home defense, and Law Enforcement use
  • Smooth, consistent two-stage trigger pull
  • Comes with one 4.5lb. trigger spring
  • EDM wire cut from heavy duty tool steel
  • Features a curved trigger bow for maximum ergonomics
  • Great for close quarters combat (CQB) and mid-range carbine work
  • Note: Trigger pull weights are approximate and may vary slightly between rifles.


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SKU05-658 Category

The Geissele Super Semi-Automatic (SSA) Trigger is the perfect choice for anyone looking for a high-quality, reliable trigger for their home defense or combat needs. This trigger is modeled after the Super Select-Fire trigger developed for use by United States Special Operations groups, so you know it’s up to the task of giving you optimum control and precision when it matters most. It features a 4.5lb non-adjustable trigger pull weight and is certified safe by the Crane Naval Surface Warfare Center – making it ideal for Law Enforcement use. Don’t miss another shot – install a Geissele SSA in your SIG Sauer MCX today!


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