Brownells 75th Anniversary - A Shooting Heritage
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The Lewis Machine & Tool MWS Upper Receiver is a unique monolithic large caliber upper receiver for SR-25 pattern rifles.

With the MWS Upper Receiver you have the ability to quickly and conveniently change barrels for more choices in lengths, calibers, materials, and profiles.

Each proprietary barrel is removed or installed with a simple two locking lug system.

The monolithic MWS Upper Receiver has M-LOK attachment slots at seven positions, with a continuous picatinny rail on top.

This upper receiver is designed to work in conjunction with SR-25 profile lower receivers and parts, and is not compatible with DPMS pattern lower receivers.

  • Forged monolithic construction
  • M-LOK compatible
  • Unique proprietary barrel change design

The MWS monolithic upper receiver comes with dust cover assembly installed, but does not include a barrel, charging handle, bolt carrier group, or torque wrench.
 


Big Book Catalog, Issue:73, Page:006

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Cartridge: 308 Winchester

Finish: Black

Style: M-LOK