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Forward Controls Design URF V2 AR-15 Stripped Billet Upper Receiver - No Forward Assist

AR-15 Stripped Upper Receiver

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Forward Controls Design URF V2 AR-15 Stripped Billet Upper Receiver - No Forward Assist


New for 2019, URF v2 features an over pressure relief vent below the shell deflector.  The over pressure relief vent is drilled diagonally from below the shell deflector. When a round is fired, gas is routed through the gas tube, enters the carrier and impinges on the bolt and its gas rings.  As the carrier and bolt travel rearward in recoil, gas is vented through the carrier’s gas ports, and continues to do so past the ejection port.  At this point, since the carrier’s gas ports are now masked by the receiver, they vent gas into the upper receiver.  Gas seeks a way out of the upper receiver, typically through the gap in the forward assist and forward assist housing, and in between the upper and charging handle. The over pressure relief vent provides a better (larger opening than the others) and more direct path, the path of least resistance, for the gas to be evacuated elsewhere.

The over pressure relief vent doesn't aim to redirect all gas to be vented through it, it does aim to decrease the volume and velocity of the exiting gas through all openings the pressurized gas will find. The relief vent is tapped and can be closed off by way of a set screw (1/8" Allen key is required) if the user doesn't shoot suppressed.  The vent is located below the shell deflector.

URF v2's and URF-S v2's over pressure gas relief vent is licensed from BATTLEARMS IP under U.S. Patent No. 8,910,406

Also new in v2 is LMT MARS receiver compatibility.  URF v2's shell deflector has been re-contoured to accommodate MARS receiver's right side bolt catch/release.


  • 5 axis machined from 7075 T6 billet
  • M4 feed ramps
  • Engraved “T” numbers
  • Over pressure gas relief vent for suppressed use
  • 1913 picatinny Rail flat top
  • Mil Spec Type III class II hard coat anodized Black
  • Shell deflector
  • Increased wall thickness for added rigidity
  • Compatible with Mil spec parts
  • Compatible with most aftermarket handguard/rail systems
  • Lifetime warranty against manufacture defects
  • Anti-rotation hole above gas tube hole
  • Compatible with "Tactical Link" Enhanced Battery Assist Lever
  • Comes stripped without dust cover & forward assist assembly
  • Weight: 8.9oz
More Information
SKU 680665827237
Product Type AR-15 Stripped Upper Receiver
Manufacturer Forward Controls Design