MUR-1S : MODULAR UPPER RECEIVER W/ SHELL DEFLECTOR
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. The MUR-1A model comes equipped with a shell deflector and forward assist. The MUR-1S comes with a one piece machined shell deflector unit which was updated to this piece in June of 2015.
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Following a manufacturers price increase, we reserve the right to change product prices at any time without further notice.
- 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)
- M4 feed ramps
- Weight: MUR-1A- 9.80 oz , MUR-1S- 8.70 oz
- Length: 7.657 inches
- Height overall: 2.121 inches
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