Agreement in principle was quickly reached, but the delivery of the weapons was delayed for more than a month. The assassins would meet with Ciganović and he would put them off. At one point, Ciganović told Grabež: "Nothing doing, the old Emperor is ill and the Heir Apparent will not go to Bosnia." When Emperor Franz Joseph's health recovered the operation was a "go" again. Tankosić gave the assassins one FN Model 1910 pistol. They practiced shooting a few rounds of scarce and expensive .380 ACP pistol ammunition in a park near Belgrade.