FailZero MOE AR-15 Lower Parts Kit - 3.5lb EXO - Various Colors

Price: $239.98
SALE PRICE: $189.00
  • Manufacturer: FailZero
Availability: *OUT OF STOCK*

Complete AR-15 enhanced lower parts kit with an upgraded FailZero EXO Coated 3.5lb drop in trigger, Magpul MOE Grip and MOE Trigger Guard. The Magpul MOE grip and MOE trigger guard are also available in your choice of color (Black, Flat Dark Earth, Olive Drab Green)

Complete Kit Includes:

  • FailZero EXO 3.5lb Single Stage Drop in Trigger (Choose Style From Drop-Down Menu)
  • Magpul MOE Grip and MOE Trigger Guard (Choose Color From Drop-Down Menu)
  • Mil-Spec PSA Lower Parts Kit.
  • Includes all Necessary Parts for Installation into your AR-15 Lower Receiver.
  • All Parts Made in USA

Trigger Description:


The FailZero Drop-In Trigger Group, is a high-performing, cost-effective upgrade to replace mil-spec triggers. This product has a fully assembled, self-contained chassis with FailZero Nickel Boron coated components.  The black cassette with FZ logo is hardcoat anodized 8625 aluminum, manufactured and assembled to strict AS9100 aerospace standards. The trigger components are all Nickel Boron coated resulting in sharp break and short reset, increased reliability, even in the harshest environments.


Self-contained design makes it easy and quick to install with no fine-tuning needed. The FailZero Trigger Group components provide a fully lubricious surface, extreme durability, increased wear and corrosion resistance. This Trigger Group limits carbon fouling for ease of cleaning, provides sharper trigger break and better reset.


This is an easy-to-install single-stage AR-15 trigger group, which features exceptional trigger pull dynamics and a curved trigger design. This is an easy install, fully self-contained, ready-to-fire trigger group kit with the proven benefits of Nickel Boron technology.




  • Single-stage trigger system
  • 3.5-lb. pull weight
  • Clean break with a short reset
  • Comfortable, rounded trigger
  • Unit weight: 2.6 oz.
  • CNC machined from high-grade, heat-treated tool steel and aluminum
  • Trigger itself fits most .308 and .223 AR style platforms (Not for use in Sig MPX)


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