>>242
シングルショットならいくつかありますね
http://www.hansenguns.com/images/RK99.jpg
http://www.thefirearmblog.com/blog/wp-content/uploads/2013/01/50_bmg_pistol_1-tfb-tm.jpg
https://i.pinimg.com/originals/f3/e4/f6/f3e4f6711615c7e3025e2143284a085a.jpg
http://airbornecombatengineer.typepad.com/photos/weapons_fireams/pistol50bmgmaadigriffin467ace.jpg
http://www.thefirearmblog.com/blog/wp-content/uploads/2016/02/e5af6897-0497-403d-a5d0-223cdb6ab21d.jpg
https://www.youtube.com/watch?time_continue=19&;v=nMkiDguYtGw
https://www.youtube.com/watch?v=MRMoN7meV3s