This is Mami Tomoe’s Rifle muskets gun papercraft from the anime Puella Magi Madoka Magika anime. Its a life-size scale rifle that can be use for cosplay
Mami Tomoe is a magical girl who rescues Madoka and Sayaka from a witch in episode 1. She is already contracted to Kyubey and offers to act as a mentor to the pair should they choose to become magical girls.
She is a powerful veteran who fights with summoned rifle muskets and ribbons, as well as a ladylike older sister figure who enjoys tea.
Mami, eager to acquire new friends, demonstrates the glory and heady thrill of magical heroism, but also shows Madoka and Sayaka the terrible danger inherent in going into the teeth of a witch’s domain.
The rifle that Mami Tomoe used is a percussion-lock rifled muskets which she can summon in large numbers and fired by hand, remotely or used as a melee weapon. Expended bullets can summon strings to ensnare the foe.
Mami Tomoe’s Rifle papercraft need 6 sheets of paper and comes in .PDO . Papercraft designer is maikyokou .PDO files is viewable with pdo viewer