Ruger Mark IV 22/45, Single Action, Semi-automatic, Polymer Frame Pistol, Full Size, 22LR, 5.5" Barrel, Bull Barrel, Blued Finish, Checkered Synthetic Grips, Adjustable Rear Sight, 10 Rounds, 2 Magazines 40107 • Single Action • Capacity: 10+1 • Finish: Blue • Sights: Front: Fixed Rear: Adjustable • Barrel length: 5.5 Bull Barrel • Overall length: 9.75 • Magazine Disconnect/ Ergonomic Bolt StopSimple One-Button Takedown Magazine Disconnect Ergonomic Bolt Stop • Single Action • Capacity: 10 + 1 • Finish: Blue • Sights: Fixed Front/Adjustable Rear • Barrel length: 5.5" Bull Barrel • Overall length: 9.75" • 15in Free-Float MLOK Rail/ Ambi Bolt Release