Aria rods for oil-pneumatic rifle are sold complete with standard slide, washer and bottom (tang).
The standard bottom is for 11-bore tires, like mares cyrano, but compatible with many other models.
It always remains possible to purchase different bottoms in our selection of Tire Accessories (link).

Sigal Sub in this model features a Threaded configuration to allow for the use of spears, harpoons and slip-tips.

Available in 3 different diameters: 7.0 mm, 8.0 mm.
Available in multiple lengths: from 35 to 107 cm.

M7 (7.0 mm) thread.