Diamondback Firearms Birdshead Sidekick, Double Action/Single Action, Metal Frame Revolver, 22 LR/22 WMR, 3 Barrel, Zinc, Cerakote Finish, Midnight Bronze, Black Cylinder, Checkered Glass Filled Nylon Grips, Blade Front Sight, Integral Rear Sight, 9 Rounds DB0600A071 DBF's Sidekick Birdshead is the next line extension to the already popular Diamondback Sidekick. Like the original, the Sidekick Birdshead can quickly interchange 22 LR and 22 Mag 9-shot cylinders. Offered with a 3" barrel and a smaller overall envelope, the Sidekick Birdshead is the perfect companion when you need to be quick on the draw.