Quick Build Ballistic Advantage 300 Blackout AR-15 Kit with Complete Free-Floated Upper Receiver (QB-5BA) - FREE SHIPPING

$ 694.22

Building your own custom 300 Blackout AR-15 Rifle is a snap when you have all of the right parts. It's even easier when someone has already done the legwork to source all of the components, made sure they are of the highest quality and fit, BUILDS AND TESTS THE UPPER RECEIVER and then put them all into a nice little package for you and it's a complete no-brainer when they do all of that and then offer it to you at a price you cannot beat if you tried putting it all together yourself AND THEN offering to ship it all to you FOR FREE!

Well that's exactly what we have done and you're going to love it! 

Just add your stripped lower receiver and mag and you're ready to go.

Add an Anderson Manufacturing Mil-Spec lower receiver for just $65.00!

Add a Mil-Spec 80% lower receiver for just $64.95!

Add an 80% Polymer80 G150 Phoenix 2 lower for just $80.00!

This project kit includes all of the following high-quality parts:

  • Ballistic Advantage 16" Modern Profile 300 Blackout Barrel - QPQ Nitride Finish (Black) - Pistol Gas 1:7 Twist
  • Ground Zero Precision Dead Bolt +P Gen II Premium Full-Mass Bolt Carrier Group - Slick Black Phosphate, Chrome Lined, Magnetic Particle Inspected, High Pressure Tested
  • Ground Zero Precision 7075 T-6 Aerospace Grade Aluminum Stripped Upper Receiver, Hard Coat Anodized (Black) to MIL-A-8625
  • 15" UTG-PRO Super-Slim  KEYMOD Free Float Hand Guard, 7075 T-5 Aerospace Grade Aluminum, Hard Coat Anodized to MIL-A-8625 (Black) with Gun Quality Steel Barrel nut
  • Two (2) Easy to Install, Positive Locking, Low Profile Keymod Rail Sections - One 4 slot and 1 8 slot
  • Ground Zero Precision Mod 1 .750 Stainless Steel Micro Gas Block - Parkerized Black Finish
  • Stainless Pistol Length Gas Tube with Roll Pin
  • A2 "Birdcage" 5/8  X 24 Flash Hider with Crush Washer - Salt Bath QPQ Nitride Finish
  • Mil-Spec Charging Handle - 7075 T-6 Aerospace Grade Aluminum, Hard Coat Anodized (Black) to MIL-A-8625
  • Mil-Spec Dust Cover Door Assembly with Pin, C-Clip and Spring
  • Mil-Spec Target Forward Assist with Spring and Roll Pin
  • Complete Nitride Enhanced Mil-Spec Lower Parts Kit
  • Mil-Spec 7075-T7 Aluminum Buffer Tube - Black Hard Coat Anodized
  • Mil-Spec Diameter Enhanced Alpha 6-Position Patrol Stock - Black
  • "Slick Kote" Buffer Spring
  • Mil-Spec Carbine Buffer
  • Mil-Spec Castle Nut 
  • Mil-Spec End Plate

Recommended tools for assembly (not included):