North American Arms Sentinel, Single Action Only, Revolver, 22 WMR, 1.625" Barrel, Matte Finish, Silver, Rubber Grips, XS White Dot, 5 Rounds NAA-SNT • Single Action • Capacity: 5 • Finish: Stainless Steel • Sights: Fixed Tritium Sites • Barrel length: 1 Heavy Barrel • Overall length: 4.5 • ADVISORY: Don’t use PMC Ammunition PER MANUFACTURERSwing Out Cylinder • Single Action • Capacity: 5 • Finish: Stainless • Sights: XS Sights • Barrel length: 1.5" • Overall length: 4.9" • 17.76 Free-Float LVOA Rail/ Ambi Bolt Release