PARABELLUM 2.0 SHOULDER SYSTEM - Color: BLACK - Right Hand - Gun Fit: AMT HARDBALLER, AMT HARDBALLER w/wo red dot, COLT 3 1/2"" 1911, COLT 3 1/2"" 1911 w/wo red dot, COLT 3"" 1911, COLT 3"" 1911 w/wo red dot, COLT 4 1/4"" 1911, COLT 4 1/4"" 1911 w/wo...