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Vltor Modular Upper Receiver with Bolt Assist and Shell Deflector
Vltor MUR with Bolt Assist and Shell Deflector
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The Modular Upper Receiver (MUR) is a rigid MilSpec flat-top upper receiver made to fit all MR15/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.
7075 aircraft-grade aluminum forging. Prior to machining, the forging is fully stress relieved; heat treated, aged twice and undergoes a proprietary cryogenic treatment.
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.
Weighs less than 10oz.
Height of rail (from the centerline of the bore): 1.215".
Black matte (anti-reflection/glare) Hard coat anodized (Type-III, Class 2). Bore's surface is coated with dry film lube, over the anodized surface.
Improved strength over conventional forged "flat-top" upper receivers. Stronger than any "billet" upper receiver with similar material and dimensional characteristics.
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330 Aviation Parkway
Elizabethtown, NC 28337
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