Geissele Automatics Super MPX SSA Trigger

Manufactured by Geissele Automatics
SKU: 16-025
MPN: 16-025
Manufactured by Geissele Automatics
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Standard orders will ship out same day if ordered by 3:30pm CST. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination.



The Geissele MPX SSA trigger can be installed in your SIG rifle in a matter of seconds. It features a curved trigger bow that feels comfortable on your finger and helps give you a consistent pull every time. Each trigger is precision EDM wire cut from heavy duty tool steel with a durable black finish giving you the reliability and durability you can depend on.

  • Proprietary Geissele Nanoweapon coating for greater wear and corrosion resistance
  • Only works in SIG MPX platform
  • 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

Trigger pull weights are approximate and may vary slightly between rifles.

When upgrading your rifle, one of the most important components is the trigger. There are many triggers out there so you must ask yourself what are you are going to do with the rifle. Are you going to use it for plinking at the range, home defense, competition, or long-range precision shooting? The answer of this question will help you to understand what trigger you will need. The Geissele Automatics Super Semi-Automatic (SSA) Trigger is designed for home defense, combat, and reliability. It is modeled after the Super Select-Fire trigger that was developed for the United States Special Operations groups and features a 4.5lb, non-adjustable trigger pull weight. It is a two-stage trigger that gives optimum trigger control during high adrenaline situations while still being smooth and crisp enough to make precise shots when you need to. This trigger is safety certified by the Crane Naval Surface Warfare Center and is recommended for Law Enforcement use. Install the Geissele SSA in your MPX lower receiver and you won’t ever have to worry about missing those important shots.

Geissele Automatics manufactures confidence, offering quality triggers and components for the warfighter and competitor. They were established in 2004 with the mission to build the highest quality, reliable triggers for competition and their first trigger, the Hi-Speed National Match trigger, was so popular that they were asked by the Department of Defense to produce a select-fire trigger for the United States Special Operations. Again, it was a success and Geissele decided to bring a semi-automatic version to the civilian market for law enforcement and personal protection.
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BrandGeissele Automatics
Drop InDrop-In
PlatformSIG Sauer Rifles
Pull Weight 12.5 lbs
Pull Weight 22.0 lbs
Total Pull Weight4.5 lbs
Trigger BowCurved

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see

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