Kugashira

Kugashira is a long rifle which serves as one of the three guns owned by the Tendokyo Thirteen sniper Alexander Krusov, the other being the twin pistols called Sarah and Sally. He developed this firearm during the three-year timeskip when he upgraded a Marine standard flintlock to a powerful and advanced one.

Appearance
Before Kugashira was taken by Alexander, the gun appears to be a standard Marine flintlock rifle. Then, Alexander developed a way of converting the rifle into a more powerful and usable one by obtaining another blueprint for making a powerful experimental rifle.

Final appearance TBA...