Interchangeable Optic System

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Everything you want in an optic solution. The IOS is adaptable to your needs and allows for a low profile RMR mount with the versatility to switch rear sight in a matter of seconds. With the dovetail cut in the slide each plate can be removed and still return to zero, allowing for quick and easy switching of rear sight without sacrificing aesthetic or function. 

"I have shot a lot of nice 1911’s and can honestly say none compare. It is beautiful, but the way it functions and shoots is amazing - Thank you! The IOS system is the best RMR mounting solution I have experienced."
Thank you, Craig  

Available on new builds and also on existing 1911s, both Nighthawk Custom and other 1911 manufacturers.

  •      Plate returns to zero
  •      Rear sight alignment between plates
  •      Fully machined from prehardened material
  •      Standard Novak sight cut
  •      Low profile
  •      Quick and easy plate removal
  •      Standard hight front sight for either iron sight or red dot use
IOS PLATES FOR ($149.95):
  •  Trijicon RMR
  •  Trijicon SRO
  •  Shield RMSc
  •  Vortex Viper
One Gun, One Gunsmith.
Fully Machined Series (FM)
This product has been proudly manufactured at our factory in Berryville, Arkansas, USA.
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