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The Aero Precision Quantum M-LOK 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. Machined to exacting dimensions from 6061-T6 aluminum it is the perfect handguard for your next AR15 build.


  • Designed to work with the M4E1 Upper Receiver
  • Works with standard Upper Receivers in conjuction with a BAR barrel nut
  • 1pc free float design
  • Removable 4-slot picatinny rail section for front sight
  • Built in anti-rotation tabs
  • 8 mounting surfaces for M-LOK accessories
  • 1.78" inside diameter fits most muzzle devices and 1.5" suppressors
  • Compatible with low profile gas blocks
  • Made in the USA


*Please note - This handguard uses the BAR interface and does not work with a standard barrel nut. If you are using the M4E1 Enhanced Upper Receiver, no additional pieces are needed. If attaching this handguard to a standard upper receiver, you must use a BAR barrel nut (select check box above).This handguard is specific to the AR15/M4E1 platform. It is not compatible with the M5 .308/M5E1 platform.

Great quality. Perfect for the travis haley hold, wrapping hand all the way around with no rail getting in the way.


Excellent customer service. Item came very quickly and went on without a hitch. Very stable. I assembled all parts for my AR in an afternoon. This kind of service could make building ARs a habbit.


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Aero Precision AR15 Quantum M-LOK Free Float Handguard Rail - Black

  • Brand: Aero Precision
  • Product Code: APPG400002
  • Availability: In Stock
  • $94.99
  • $74.95
  • Free Shipping

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