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MPR-73 3/8" Rail


Explore RRS's Arca Rails. Precision-engineered for compatibility and stability, they provide a seamless, secure connection for your outdoor equipment.

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MPR-73 Overview

MPR-73 3/8ths is a double dovetail Multi Purpose Rail. Use as a quick release plate for some large format cameras and heads with a 3/8" socket.


  • Double dovetail rail accepts Arca-Type clamps on the top and bottom
  • Use as a camera body plate for some medium and large format cameras
  • Use as a lens plate for any object with a 3/8" socket
  • Optional MPR-C flange can be installed in three different positions to prevent twisting
  • 1.42"/ 36mm slot length for adjustability


Country of Origin: USA
  • Length: 2.9"/ 73mm
  • Width: 1.5"/ 38mm
  • Weight: 1.5oz/ 44g
  • Slot Length (Max. Screw-to-Screw Distance): 1.42"/ 36mm
  • Screw Thread Size: 3/8"-16

In the Box

  • (1) MPR-73 3/8" threaded Rail
  • (1) MPR-C Flange
  • (1) B102 screw (3/8"-16 threaded)
  • (1) M2.5 hex key
  • (2) Safety Stop Screws
  • (2) Screws for flange installation
  • (1) 7/32" hex key


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