User blog comment:DragonNotHentai/Myrtenaster! Blog the 4th./@comment-1173941-20130222022100

I'm fairly certian it was a joke, and fans are taking everything Monty says far too literally. As Kyoukaya pointed out, Crescent Rose wasn't a sniper, and more of a high-caliber rifle.

"Dust Rapier" isn't a real term.