Wiktionary
dismountable
a. capable of being dismounted
Usage examples of "dismountable".
William the Conqueror had brought a dismountable wooden fort to England in aid of his landing 300 years before, and similar devices had been used many times since, but nothing so daring in concept and size as this had ever before been attempted.
No mast it’s probably dismountable with this ramming beak and two heavy guns forward and two more guns aft.