AR15 Lower Receiver Parts Kit 3 with RISE Armament Black Fallout RA-140 (SST) Trigger

$ 166.75

This lower receiver parts kit comes with everything you need to build and complete your stripped AR-15 lower receiver. All parts are made in the U.S.A. to meet or exceed standard military specifications. Kit includes a Black Fallout RA-140 Super Sporting (SST) premium 4 lb drop in trigger.

This kit includes all of the following:  

  • RISE Armament Black Fallout RA-140 Super Sporting Trigger (SST) - 4 lb
  • Stark Equipment ANG AR Pistol Grip with Secure Storage (CR123) - Black
  • Flat Mil-Spec Trigger Guard
  • Steel Trigger Guard Roll Pin/Coil
  • Steel Takedown Pin - Nitride Finish
  • Steel Pivot Pin - Nitride Finish
  • Takedown/Pivot Pin Detent X2
  • Takedown/Pivot Pin Detent Spring X2
  • Steel Selector/Safety Switch - Nitride Finish
  • Selector/Safety Detent
  • Selector/Safety Detent Spring
  • Buffer Retaining Detent - Nitride Finish
  • Buffer Retaining Detent Spring
  • Steel Bolt Release - Nitride Finish
  • Steel Bolt Release Plunger - Nitride Finish
  • Bolt Release Plunger Spring
  • Steel Bolt Release Roll Pin/Coil
  • Steel Magazine Catch - Nitride Finish
  • Magazine Catch Spring
  • Steel Magazine Release Button - Nitride Finish 

Why the RISE Armament Black Fallout RA-140 SST Trigger Upgrade?

Rise Armament's "Black Fallout" RA-140 precision drop-in AR trigger is a high-performing, easy to install, easy to maintain, single-stage, cost-effective AR rifle/pistol upgrade. A perfect replacement for gritty, heavy mil-spec AR triggers. Precision CNC machined in the United States from high-grade tool steel and aerospace grade aluminum according to strict AS9100 Aerospace requirements. The Black Fallout features a curved and rounded trigger for shooter comfort, a "glass break" clean break and very short reset. 
The self-contained design of the Black Fallout RA-140 makes it easy to install without the need for a gunsmith and with no fine-tuning needed. A great trigger is one of the best upgrades you can do to your AR style rifle or pistol and the Rise Armament Black Fallout RA-140 is by far the best value drop-in upgrade trigger on the market today.
  • Single-stage trigger system
  • 4-lb. pull weight (non-adjustable)
  • Clean break with a short reset
  • Housing - Black 8625 hardcoat anodized aluminum cassette
  • Comfortable rounded, trigger
  • Self-contained design makes it easy and quick to install with no fine-tuning needed
  • Manufactured and assembled in the United States by Rise Armament according to strict AS9100 aerospace requirements, which are (much) more stringent than standard gun manufacturing requirements
  • Precision CNC machined from high-grade, heat-treated tool steel and aluminum
  • Fits .223 / 5.56, 300 Blackout, 6.8 SPC, .308 and most other AR style platforms
  • Self-contained design makes it easy and quick to install with no fine-tuning needed
  • Anti-rotation pins recommended (NOT INCLUDED)

Want to know what separates Rise Armament from everyone else out there? Check out this interview by The Shooter's Mindset of Rise Armament's President, and our friend, Chris Barger: