"Ah, good to be back out here again, even with the light dusting on the ground. First test-fire of the XM174- er, uh... Boomer, sure, let's go with Boomer, belt-fed forty-mil grenade launcher. Hope the belt links fall apart properly under actual firing motion, guess we'll see..."

Discovered this lil thing awhile back while on a wiki walk, perusing other automatic 40mm grenade launchers, and seeing how it used the same 40x46mm cartridge that other fun toys like the Thumpers use I had to see about bringing it over to my corner of the horseverse. This number is what's occasionally mounted in the Swallow's wing roots, as a matter of fact.