North American Arms Sidewinder Combo, Single Action, Revolver, 22LR/22WMR, 4 Barrel, Stainless Steel, Silver, Wood Grips, Fixed Sights, 5 Rounds NAA-SWC-4 The Sidewinder features a swing-out cylinder allowing for speedy reloads without removing the cylinder. As with all of the mini-revolvers, the frame starts out as an investment casting, with the barrel and cylinder machined from solid stainless steel bar stock. The Sidewinder is a five-shot, single-action-only design with an exposed hammer and an unguarded trigger. The bird's-head profile of the grip has the same dimensions as the other Mini-Revolvers and will accommodate any of the optional stocks.