User blog comment:Kaido King of the Beasts/Chapter 892: The Translation Where Chopper Says "STFU"/@comment-192.64.124.116-20180127163604/@comment-114.198.28.157-20180130111412

They had guns designed to pierce the skin of the modified humans of Germa. It should come as no suprise that they could pierce Luffy as well imo.