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FailZero Complete Lower Receiver

FailZero Complete Lower Receiver w/FZ Drop-in Trigger, MFT Lightweight Stock and ERGO Suregrip

The FailZero Complete Lower Receiver is the same that come on our FailZero Elite 16” Rifle and is built on the popular AR15/M16 design with enhancements from top of the line industry partners. Machined from 7075-T6 Forged Aluminum and Anodized Black, this Lower Receiver features our custom FailZero 3.5lb curved drop in trigger (single stage), Mission First Tactical Lightweight Stock, and an ERGO SureGrip just to name a few of the features. This Lower has been upgraded from top to bottom and is ready to finish out or start you next build.


  • FailZero Lower Receiver
  • FailZero 3.5 lb. Trigger Group
  • ERGO SureGrip
  • Mission First Tactical Lightweight Stock
  • Black Anodized Finish
  • Machined from 7075-T6 Forged Aluminum
  • Caliber – Multi, Safety Markings – Bullets
  • Works with Standard AR15 Components and Magazines

Please have your FFL email us a copy of their FFL to  

FFL Terms and Conditions

  1. Any items placed on the same order as a lower receiver may be shipped to the FFL. If you would like additional items shipped to you directly, please specify in the comment section or place them on a separate order.
  2. Please enter your information or the receiving party's (the person that will be picking it up) information under "Recipient Name" while checking out. Please include in the comment section the FFL name, phone and zip code and we will obtain the shipping address directly from them. 
  3. To expedite your order, please have your dealer email their FFL to us. If the dealer you are using to transfer a firearm has not sent us a currently updated FFL to put on file, there will be an extended period of time needed to process your order.


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RT @PrimaryArms: 6 lbs. overall weight. 3.5 lb. match trigger. .223 Wylde barrel. Ambi Charging handle and enhanced furniture. DM to find o…

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