Cannon and Dual Bowgun drop list.

these are from my WK's monster book (still plenty not listed yet)
Dual bowguns

 Spoiler

level 10 -slimes, ribbon pigs,
level 15 - Green mushrooms, Murumuru (lvl 7 thing on rien), grape juice bottle (edelstein), stirge, Rocky Mask, wild boar, serpent, Dark stone golem, renegade spore,
level 20- Blue mushrooms, evil eye, croco, street light,
level 25 - green mushrooms, jr. wraith, jr. necki, stone golem, Dust box, Lorang,
level 30 - street light, Mixed Stone golem, Patrol Robot S, Jr. Grupin, melon bubble tea, jr. pepe claw machine, poison mushroom
level 35 - skeledog, intoxicated pig, kid mannequin,
level 40 - ratz, Star pixie, helmet pepe, yeti claw machine, yellow perfume, safety first,

I'll add more tomorrow.