Precision Fit. Universal Function.
The RRS MPR-73 (3/8") Multi-Purpose Rail is a compact, high-strength mounting solution designed for photographers who demand versatility from their support gear. Its double-dovetail construction accepts Arca-Type clamps from both the top and bottom, making it equally capable as a camera body plate for select medium and large format systems or as a secure mounting plate for any device with a 3/8" socket. With a 1.42" (36 mm) adjustment slot and optional MPR-C anti-twist flange installable in three positions, the MPR-73 offers adaptable, stable, and precision-aligned performance for any setup.
One Rail. Total Adaptability.
Whether you're pairing it with a studio head, field camera, or specialty optic, the MPR-73 brings reliable alignment and rock-solid connection to your workflow. Compact yet incredibly capable, it’s the perfect foundation for photographers who need a plate that can do it all. Equip your kit with the RRS MPR-73—where simplicity meets uncompromising stability.

What's 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
(1) User's guide
MPR-73 3/8" Rail
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