The North American Arms (NAA) Sidewinder is a Derringer-style 22 Mag pistol. It features a five-shot swing-out cylinder wood grips and fixed sights. The NAA-SW and NAA-SWC have a 1.5 barrel while the latter includes a 22 LR conversion cylinder the NAA-SW-250 and NAA-SWC-250 have a 2.5 barrel while the latter includes a 22 LR conversion cylinder the NAA-SW-4 and NAA-SWC-4 have a 4 barrel while the latter includes a 22 LR conversion cylinder. Details Caliber .22 Magnum - Capacity 5 - Length 7.75 - Height 2.88 - Width 1.06 - Weight 8.5 oz. - Barrel Length 4 - Sights Stainless Post Sight - Action Single Action - Grips Rosewood Birds Head