The MR920’S Frame Features Configurable Ergonomics. Interchangeable Backstraps Allow Shooters To Adjust The Grip Angle To Fit Their Natural Point Of Aim. An Extended Beavertail And Aggressive Trigger Guard Undercut Work To Dramatically Reduce Recoil And Increase Controllability. The MR920 Slide Has A Thinned Profile At Grasping Locations And Directional Serrations In The Front And Rear (As Well As Topside On Some Models) For Easy Manipulation Under Stress. The Match-Grade Barrel Is Conventionally Rifled And Spiral-Fluted To Improve The Evacuation Of Debris. MR920s Are Also Available With Threaded Barrels, For Those Departments That Allow The Use Of Muzzle Devices. The Optic Cut On The MR920 Can Accommodate Most Major Brands Of RDS Optics Directly Mounted To The Slide, Without Intervening Plates Or Adapters.