VLTOR Modular Upper Receiver - MUR - 1A

Modular Upper Reciever with Bolt Assist
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  • Item #: MUR-1A
  • Manufacturer: VLTOR

The MUR is a rigid Mil-Spec flat-top upper made to fit all AR15/M16 M4 rifles and carbines. The MUR was developed to give the customer a Mil-Spec correct upper receiver with a thicker wall, making the MUR upper receiver a stronger platform. This more rigid upper receiver will increase accuracy and reliability, while extending the life of the interfacing components.


  • Aircraft-grade aluminum construction
  • 7075 Forging
  • Stress relieved, heat treated, aged twice and cryogenic treated
  • Hard coat anodized, black per MIL-A-8625 TYPE III Class 2
  • Precision machined and finished by hand
  • Bore coated with dry film lube over the anodized surface
  • Compatible with all Mil-Spec AR-15 parts and accessories
  • Available with (MUR-1A) or without forward assist (MUR-1S)


Weight: MUR-1A- 9.80 oz , MUR-1S- 8.40 oz

Length: 7.657 inches

Height overall: 2.121 inches

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Price $179.95

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