Necesitas Build a Mision Creado Por aimless / you need build a mission from aimless https://es.gta5-hub.com/scripts/build_a_mission

Instala la carpeta Arma Secreta_Secret Weapon [Build A Mission] en : Gtav/Scripts/Bam/Missions

Install The Folder Arma Secreta_Secret Weapon [Build A Mission] in : Gtav/Scripts/Bam/Missions

NOTA : El Arma No Aparecera en el mapa tendras que buscarla por la presa, y compra un paracaidas
NOTE : The Gun not appear on the map will have to be found by the dam, and buy a parachute