With increased rigidity, this upper brings hard-use to a new level.
The VLTOR MUR is a rigid Mil-Spec 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. These upper receivers come pre-assembled, and will have a dust cover, and forward assist installed.
- Aircraft-grade aluminum construction
- Machined from 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
- M4 feed ramps
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