The J Allen Enterprises JAE-700 Arca Rail is a direct replacement for the accessory rail on the JAE-700 chassis system. The JAE-700 Arca Rail comes in two lengths, the Arca-2 and the Arca-6. The Arca-2 rail extends 2 inches in front of the chassis while the Arca-6 rail extends 6 inches in front of the chassis.
