AR15 Upper Receiver/Quantum Handguard Combo (w/ BAR Barrel Nut)

Out of stock

Save 10% when you buy the AR15 Upper Receiver and Quantum Handguard Combo!

This Upper Receiver Handguard Combo includes our Quantum Handguard and a BAR barrel nut for attaching to a standard threaded AR15 upper receiver. Our Quantum Free Float Handguards minimize bulk while providing an adaptive system that is big on features. With multiple mounting options, this affordable, rigid system can adapt to any mission.


  • AR15 Upper Receiver
  • Quantum Handguard of choice
  • BAR Barrel Nut
  • Handguard mounting screws
  • Removable 4-slot picatinny rail section

AR15 Upper Receiver Features:

  • M4 Feedramps
  • .250 takedown pin holes
  • Lazer engraved T-marks
  • Comes assembled, with dust cover and forward assist installed
  • Machined from 7075-T6 forged aluminum

Quantum Handguard Features:

  • 1pc free float design
  • Removable 4-slot picatinny rail section for front sight
  • Built in anti-rotation tabs
  • 7 mounting surfaces for KeyMod and M-LOK accessories
  • 1.78" inside diameter fits most muzzle devices and 1.5" suppressors
  • Compatible with low profile gas blocks
Shipping to FFL Dealer RequiredNo
Made In America?Yes
Weight(s)KeyMod: 7" - 17.59 oz, 9" - 19.39 oz, 12" - 21.94 oz, 15" - 23.59 oz / M-LOK: 7" - 17.89 oz, 9" - 19.76 oz, 12" - 22.44 oz, 15" - 24.40 oz
Other Features-