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The McMillan ARCA Rails manufactured by Henderson Precision are both Arca Swiss and Really Right Stuff compatible.  They are available in 6 inch, 9 inch and 12 inch lengths and are designed to be compatible with standard mounting points on many McMillan stocks on the market.  The McMillan ARCA Rail has a very low and sleek appearance that allows the end user to mount the rail flush with the bottom of the stock or push it forward to extend the forend.  They will work with any Arca Swiss quick release or thumb screw clamp. All rails are bead blasted mil-spec type III hard anodized.



ARCA rail sizes:

6″ (over all length) , 3″ hole spacing

9″ (over all length),  6″ hole spacing (with additional center hole)

12″ (over all length), 6″ hole spacing (with additional center hole)


Mounting hardware and screws are provided to install a rail onto a stocks forend.