Roll a short, wider tube and mount it on top of the barrel using tape or glue for that "assassin" look. Pro Tips for the "Assassin" Aesthetic
Fold thicker sections of paper into rectangular or "L" shapes to create the grip and shoulder rest. Glue these to the back of the barrel. The "Hack" (Firing Mechanism): Cut a small slot in the top of the barrel. Sniper+assassin+hack
Create a "trigger" using a small paper lever or a folded hook. Roll a short, wider tube and mount it
Making a paper "sniper rifle" is a popular DIY project that uses common household items to create a model that can often actually shoot paper bullets or rubber bands. Materials You'll Need Around 10–15 sheets for a sturdy build. Tape and Glue: Strong clear tape or hot glue works best. The "Hack" (Firing Mechanism): Cut a small slot
Stretch a from the front of the barrel back to the trigger mechanism. When you pull the trigger, it releases the rubber band (or a paper pellet pushed by the band).
Roll multiple sheets of paper tightly into long tubes. Slide one tube inside another for extra length and reinforcement.