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Vltor MUR-1S Modular Upper Receiver (Shell-Deflector Only, Without Forward Assist)

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MSRP Price: $179.95
Our Price: $170.95
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Item Number: URPMUR1S
Manufacturer: Vltor / MAP Pricing Required
Manufacturer Part No: MUR-1S
Vltor MUR-1S Modular Upper Receiver (Shell-Deflector Only, Without Forward Assist)
 
MUR (Modular Upper Receiver)
  • The Modular Upper Receiver (MUR) is a rigid MilSpec flat-top upper receiver made to fit all AR15/M16/M4 rifles and carbines.
  • The MUR was developed to give the customer a MilSpec 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, such as the bolt carrier group and barrel assembly.
  • The MUR comes in two models: one with Bolt-Assist/Shell-Deflector (part# MUR-1A) and the second with Shell Deflector only (part# MUR-1S).
  • The MUR is made from a 7075 aircraft-grade aluminum forging. Prior to machining, the forging is fully stress relieved, heat treated, aged twice and undergoes a proprietary cryogenic treatment. The MUR is precision machined and each part finished by hand. There is not a better upper receiver available.
  • The main benefit of the MUR is that it is dimensionally correct. Vltor ensures the reliability and accuracy of its production process by using precision machining equipment, thorough quality control inspections, and a 100% final check of all critical dimensions. When you own a Vltor MUR, you have the highest quality upper receiver available on the market today.
  • All MURs feature a MilStd-1913 scope mounting rail and come equipped with an Ejection-Port, Dust Cover Door.

Installation note: The installation and the assembly on the MUR should be performed by a qualified gunsmith and/or certified armorer.

 

MUR at a glance:

Construction
7075 aircraft-grade aluminum forging. Prior to machining, the forging is fully stress relieved; heat treated, aged twice and undergoes a proprietary cryogenic treatment.
Compatibility  
Fits all AR-type lower receivers made to Milspec standards. Will fit all select-fire AR-15/M16/M4 rifles and carbines. Will fit most of the semi-auto AR-type lower receivers (currently available).
Weight
MUR-1A (with assist) weighs less than 10 oz. The MUR-1S (shell deflector only) weighs less than 8 oz.
Dimensions
Height of rail (from the centerline of the bore): 1.215.
Color/Finish
Black matte (anti-reflection/glare) Hard coat anodized (Type-III, Class 2). Bores surface in coated with dry film lube, over the anodized surface.
Special Features
Improved strength over conventional forged flat-top upper receivers. Stronger than any billet upper receiver with similar material and dimensional characteristics. Tighter manufacturing tolerances, when compared to the competition.

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